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139708803 = 3133582277
BaseRepresentation
bin10000101001111…
…00100110000011
3100201212221110010
420110330212003
5241231140203
621510240003
73314335203
oct1024744603
9321787403
10139708803
1171953323
123a956003
1322c37940
14147aa403
15c3ea303
hex853c983

139708803 has 8 divisors (see below), whose sum is σ = 200607568. Its totient is φ = 85974624.

The previous prime is 139708733. The next prime is 139708813. The reversal of 139708803 is 308807931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139708803 - 29 = 139708291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3582277 = 139708803 / (1 + 3 + 9 + 7 + 0 + 8 + 8 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139708813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791100 + ... + 1791177.

It is an arithmetic number, because the mean of its divisors is an integer number (25075946).

Almost surely, 2139708803 is an apocalyptic number.

139708803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

139708803 is a deficient number, since it is larger than the sum of its proper divisors (60898765).

139708803 is a wasteful number, since it uses less digits than its factorization.

139708803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582293.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 139708803 is about 11819.8478416602. The cubic root of 139708803 is about 518.8891510770.

The spelling of 139708803 in words is "one hundred thirty-nine million, seven hundred eight thousand, eight hundred three".

Divisors: 1 3 13 39 3582277 10746831 46569601 139708803