319327765137 has 6 divisors (see below), whose sum is σ = 461251216322. Its totient is φ = 212885176752.

The previous prime is 319327765129. The next prime is 319327765151. The reversal of 319327765137 is 731567723913.

319327765137 is a `hidden beast` number, since 31 + 9 + 3 + 27 + 76 + 513 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 187628451921 + 131699313216 = 433161^2 + 362904^2 .

It is not a de Polignac number, because 319327765137 - 2³ = 319327765129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319327765117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17740431388 + ... + 17740431405.

Almost surely, 2^319327765137 is an apocalyptic number.

It is an amenable number.

319327765137 is a deficient number, since it is larger than the sum of its proper divisors (141923451185).

319327765137 is a wasteful number, since it uses less digits than its factorization.

319327765137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35480862799 (or 35480862796 counting only the distinct ones).

The product of its digits is 5000940, while the sum is 54.

The spelling of 319327765137 in words is "three hundred nineteen billion, three hundred twenty-seven million, seven hundred sixty-five thousand, one hundred thirty-seven".