1315362136520 has 32 divisors (see below), whose sum is σ = 2974587996600. Its totient is φ = 523474065408.

The previous prime is 1315362136511. The next prime is 1315362136549. The reversal of 1315362136520 is 256312635131.

It can be written as a sum of positive squares in 4 ways, for example, as 1279789913284 + 35572223236 = 1131278^2 + 188606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83454185 + ... + 83469944.

Almost surely, 2^{1315362136520} is an apocalyptic number.

1315362136520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315362136520 is an abundant number, since it is smaller than the sum of its proper divisors (1659225860080).

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

1315362136520 is a wasteful number, since it uses less digits than its factorization.

1315362136520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166924337 (or 166924333 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 1315362136520 in words is "one trillion, three hundred fifteen billion, three hundred sixty-two million, one hundred thirty-six thousand, five hundred twenty".