39138088056 has 32 divisors (see below), whose sum is σ = 99305600640. Its totient is φ = 12851311968.

The previous prime is 39138088037. The next prime is 39138088063. The reversal of 39138088056 is 65088083193.

It is a congruent number.

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, 12168196 + ... + 12171411.

It is an arithmetic number, because the mean of its divisors is an integer number (3103300020).

Almost surely, 2^39138088056 is an apocalyptic number.

It is an amenable number.

39138088056 is an abundant number, since it is smaller than the sum of its proper divisors (60167512584).

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

39138088056 is a wasteful number, since it uses less digits than its factorization.

39138088056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24339683 (or 24339679 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 39138088056 in words is "thirty-nine billion, one hundred thirty-eight million, eighty-eight thousand, fifty-six".