315939613 has 8 divisors (see below), whose sum is σ = 345773376. Its totient is φ = 286291200.

The previous prime is 315939599. The next prime is 315939623. The reversal of 315939613 is 316939513.

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 315939613 - 2²¹ = 313842461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315939623) 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, 42756 + ... + 49597.

It is an arithmetic number, because the mean of its divisors is an integer number (43221672).

Almost surely, 2^315939613 is an apocalyptic number.

It is an amenable number.

315939613 is a deficient number, since it is larger than the sum of its proper divisors (29833763).

315939613 is a wasteful number, since it uses less digits than its factorization.

315939613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92675.

The product of its digits is 65610, while the sum is 40.

The square root of 315939613 is about 17774.6902364007. The cubic root of 315939613 is about 681.0850705530.

The spelling of 315939613 in words is "three hundred fifteen million, nine hundred thirty-nine thousand, six hundred thirteen".