75931104138 has 16 divisors (see below), whose sum is σ = 159854956320. Its totient is φ = 23978243376.

The previous prime is 75931104101. The next prime is 75931104181. The reversal of 75931104138 is 83140113957.

It is a self number, because there is not a number n which added to its sum of digits gives 75931104138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333031045 + ... + 333031272.

It is an arithmetic number, because the mean of its divisors is an integer number (9990934770).

Almost surely, 2^75931104138 is an apocalyptic number.

75931104138 is an abundant number, since it is smaller than the sum of its proper divisors (83923852182).

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

75931104138 is a wasteful number, since it uses less digits than its factorization.

75931104138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666062341.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 75931104138 in words is "seventy-five billion, nine hundred thirty-one million, one hundred four thousand, one hundred thirty-eight".