138036807412 has 24 divisors (see below), whose sum is σ = 276128233920. Its totient is φ = 59146927680.

The previous prime is 138036807407. The next prime is 138036807431. The reversal of 138036807412 is 214708630831.

It is a congruent number.

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, 342862 + ... + 627397.

It is an arithmetic number, because the mean of its divisors is an integer number (11505343080).

Almost surely, 2^138036807412 is an apocalyptic number.

It is an amenable number.

138036807412 is an abundant number, since it is smaller than the sum of its proper divisors (138091426508).

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

138036807412 is a wasteful number, since it uses less digits than its factorization.

138036807412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975351 (or 975349 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 138036807412 in words is "one hundred thirty-eight billion, thirty-six million, eight hundred seven thousand, four hundred twelve".