315118939 has 8 divisors (see below), whose sum is σ = 318926160. Its totient is φ = 311334816.

The previous prime is 315118897. The next prime is 315118943. The reversal of 315118939 is 939811513.

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 315118939 - 2¹⁵ = 315086171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315118949) 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, 22497 + ... + 33709.

It is an arithmetic number, because the mean of its divisors is an integer number (39865770).

Almost surely, 2^315118939 is an apocalyptic number.

315118939 is a deficient number, since it is larger than the sum of its proper divisors (3807221).

315118939 is a wasteful number, since it uses less digits than its factorization.

315118939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11549.

The product of its digits is 29160, while the sum is 40.

The square root of 315118939 is about 17751.5897597933. The cubic root of 315118939 is about 680.4948380586.

The spelling of 315118939 in words is "three hundred fifteen million, one hundred eighteen thousand, nine hundred thirty-nine".