138937415595 has 32 divisors (see below), whose sum is σ = 242644114944. Its totient is φ = 67326048000.

The previous prime is 138937415579. The next prime is 138937415599. The reversal of 138937415595 is 595514739831.

It is a happy number.

It is not a de Polignac number, because 138937415595 - 2⁴ = 138937415579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138937415599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63394 + ... + 530936.

It is an arithmetic number, because the mean of its divisors is an integer number (7582628592).

Almost surely, 2^138937415595 is an apocalyptic number.

138937415595 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138937415595 is a deficient number, since it is larger than the sum of its proper divisors (103706699349).

138937415595 is a wasteful number, since it uses less digits than its factorization.

138937415595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469363.

The product of its digits is 20412000, while the sum is 60.

The spelling of 138937415595 in words is "one hundred thirty-eight billion, nine hundred thirty-seven million, four hundred fifteen thousand, five hundred ninety-five".