513523065136 has 20 divisors (see below), whose sum is σ = 1047316778200. Its totient is φ = 243247767552.

The previous prime is 513523065119. The next prime is 513523065173. The reversal of 513523065136 is 631560325315.

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, 844610001 + ... + 844610608.

It is an arithmetic number, because the mean of its divisors is an integer number (52365838910).

Almost surely, 2^513523065136 is an apocalyptic number.

It is an amenable number.

513523065136 is an abundant number, since it is smaller than the sum of its proper divisors (533793713064).

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

513523065136 is a wasteful number, since it uses less digits than its factorization.

513523065136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689220636 (or 1689220630 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 40.

The spelling of 513523065136 in words is "five hundred thirteen billion, five hundred twenty-three million, sixty-five thousand, one hundred thirty-six".