512760138 has 32 divisors (see below), whose sum is σ = 1121098752. Its totient is φ = 155055600.

The previous prime is 512760121. The next prime is 512760151. The reversal of 512760138 is 831067215.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 512760099 and 512760108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24495 + ... + 40317.

It is an arithmetic number, because the mean of its divisors is an integer number (35034336).

Almost surely, 2^512760138 is an apocalyptic number.

512760138 is an abundant number, since it is smaller than the sum of its proper divisors (608338614).

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

512760138 is a wasteful number, since it uses less digits than its factorization.

512760138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16330.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 512760138 is about 22644.2076037118. The cubic root of 512760138 is about 800.3957094436.

The spelling of 512760138 in words is "five hundred twelve million, seven hundred sixty thousand, one hundred thirty-eight".