315802137 has 16 divisors (see below), whose sum is σ = 485015552. Its totient is φ = 179035920.

The previous prime is 315802133. The next prime is 315802153. The reversal of 315802137 is 731208513.

It is not a de Polignac number, because 315802137 - 2² = 315802133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315802133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56539 + ... + 61872.

It is an arithmetic number, because the mean of its divisors is an integer number (30313472).

Almost surely, 2^315802137 is an apocalyptic number.

It is an amenable number.

315802137 is a deficient number, since it is larger than the sum of its proper divisors (169213415).

315802137 is a wasteful number, since it uses less digits than its factorization.

315802137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118548.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 315802137 is about 17770.8226314935. The cubic root of 315802137 is about 680.9862685124.

The spelling of 315802137 in words is "three hundred fifteen million, eight hundred two thousand, one hundred thirty-seven".