512681272136 has 32 divisors (see below), whose sum is σ = 1048748299200. Its totient is φ = 233018706240.

The previous prime is 512681272069. The next prime is 512681272183. The reversal of 512681272136 is 631272186215.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 936626 + ... + 1379358.

It is an arithmetic number, because the mean of its divisors is an integer number (32773384350).

Almost surely, 2^512681272136 is an apocalyptic number.

It is an amenable number.

512681272136 is an abundant number, since it is smaller than the sum of its proper divisors (536067027064).

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

512681272136 is a wasteful number, since it uses less digits than its factorization.

512681272136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455909 (or 455905 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The spelling of 512681272136 in words is "five hundred twelve billion, six hundred eighty-one million, two hundred seventy-two thousand, one hundred thirty-six".