139 (One hundred [and] thirty-nine) is the natural number following 138 and preceding 140.

In mathematics[edit]

139 is the 34th prime number. It is a twin prime with 137. Because 141 is a semiprime, 139 is a Chen prime. 139 is the smallest prime before a prime gap of length 10.^[1]

This number is the sum of five consecutive prime numbers (19 + 23 + 29 + 31 + 37).

It is the smallest factor of 64079. It is also the smallest factor of the first nine terms of the Euclid–Mullin sequence, making it the tenth term.

139 is a happy number and a strictly non-palindromic number.

In the military[edit]

• RUM-139 VL-ASROC is a United States Navy ASROC anti-submarine missile
• USS Agent (AM-139) was a United States Navy Admirable class minesweeper during World War II
• USS Broadwater (APA-139) was a United States Navy Haskell-class attack transport during World War II
• USS Farquhar (DE-139) was a United States Navy destroyer during World War II
• USS General R. E. Callan (AP-139) was a United States Navy transport ship during World War I and World War II
• USS Octorara (IX-139) was a tanker loaned to the Soviet Union during World War II, then returned to the United States in 1944
• USS Pavo (AK-139) was a United States Navy cargo ship during World War II
• USS Salem (CA-139) was a United States Navy Des Moines-class heavy cruiser following World War II
• USS Ward (DD-139) was a United States Navy Wickes-class destroyer during World War II

In transportation[edit]

• British Rail Class 139 is the TOPS classification assigned to the lightweight railcars by London Midland on the Stourbridge Town Branch Line
• Fiat M139 platform is the next-generation premium rear wheel drive automobile platform from Fiat
• London Buses route 139 is a Transport for London contracted bus route in London

In other fields[edit]

139 is also:

• The year AD 139 or 139 BC
• 139 AH is a year in the Islamic calendar that corresponds to 756 – 757 CE.
• 139 Juewa is a large and dark Main belt asteroid discovered in 1874
• The atomic number of Untriennium, an unsynthesized chemical element
• Gull Lake No. 139 is a rural municipality in Saskatchewan, Canada
• Sonnet 139 by William Shakespeare
• 139 Rb Gahhie is a village in Chak Jhumra Tehsil in the Punjab province of Pakistan
• Miss 139 was a 1921 film starring Diana Allen and Marc McDermott
• Motorola C139 model cellphone

See also[edit]

• List of highways numbered 139
• M139 (disambiguation)
• United Nations Security Council Resolution 139
• United States Supreme Court cases, Volume 139

References[edit]

1. ^ Wells, D. The Penguin Dictionary of Curious and Interesting Numbers London: Penguin Group. (1987): 139

External links[edit]

Psalm 139