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139694313 = 3114233161
BaseRepresentation
bin10000101001110…
…01000011101001
3100201212012120110
420110321003221
5241230204223
621510044533
73314245023
oct1024710351
9321765513
10139694313
1171943450
123a949749
1322c31175
14147a5013
15c3e5d93
hex85390e9

139694313 has 8 divisors (see below), whose sum is σ = 203191776. Its totient is φ = 84663200.

The previous prime is 139694297. The next prime is 139694369. The reversal of 139694313 is 313496931.

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

It is a cyclic number.

It is not a de Polignac number, because 139694313 - 24 = 139694297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139694383) 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, 2116548 + ... + 2116613.

It is an arithmetic number, because the mean of its divisors is an integer number (25398972).

Almost surely, 2139694313 is an apocalyptic number.

It is an amenable number.

139694313 is a deficient number, since it is larger than the sum of its proper divisors (63497463).

139694313 is a wasteful number, since it uses less digits than its factorization.

139694313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233175.

The product of its digits is 52488, while the sum is 39.

The square root of 139694313 is about 11819.2348737133. The cubic root of 139694313 is about 518.8712114683.

It can be divided in two parts, 1396943 and 13, that added together give a triangular number (1396956 = T1671).

The spelling of 139694313 in words is "one hundred thirty-nine million, six hundred ninety-four thousand, three hundred thirteen".

Divisors: 1 3 11 33 4233161 12699483 46564771 139694313