512127137238 has 16 divisors (see below), whose sum is σ = 1027000268976. Its totient is φ = 170251380000.

The previous prime is 512127137231. The next prime is 512127137239. The reversal of 512127137238 is 832731721215.

It is a self number, because there is not a number n which added to its sum of digits gives 512127137238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512127137231) 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, 114414013 + ... + 114418488.

It is an arithmetic number, because the mean of its divisors is an integer number (64187516811).

Almost surely, 2^512127137238 is an apocalyptic number.

512127137238 is an abundant number, since it is smaller than the sum of its proper divisors (514873131738).

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

512127137238 is a wasteful number, since it uses less digits than its factorization.

512127137238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228832879.

The product of its digits is 141120, while the sum is 42.

The spelling of 512127137238 in words is "five hundred twelve billion, one hundred twenty-seven million, one hundred thirty-seven thousand, two hundred thirty-eight".