315705136 has 20 divisors (see below), whose sum is σ = 632772000. Its totient is φ = 152409152.

The previous prime is 315705101. The next prime is 315705167. The reversal of 315705136 is 631507513.

It is a junction number, because it is equal to n+sod(n) for n = 315705098 and 315705107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339736 + ... + 340663.

It is an arithmetic number, because the mean of its divisors is an integer number (31638600).

Almost surely, 2^315705136 is an apocalyptic number.

It is an amenable number.

315705136 is an abundant number, since it is smaller than the sum of its proper divisors (317066864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315705136 is a wasteful number, since it uses less digits than its factorization.

315705136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680436 (or 680430 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 315705136 is about 17768.0932010163. The cubic root of 315705136 is about 680.9165380223.

The spelling of 315705136 in words is "three hundred fifteen million, seven hundred five thousand, one hundred thirty-six".