138936810595 has 32 divisors (see below), whose sum is σ = 189161349120. Its totient is φ = 97069415040.

The previous prime is 138936810589. The next prime is 138936810611. The reversal of 138936810595 is 595018639831.

It is not a de Polignac number, because 138936810595 - 2⁵ = 138936810563 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271347 + ... + 592876.

It is an arithmetic number, because the mean of its divisors is an integer number (5911292160).

Almost surely, 2^138936810595 is an apocalyptic number.

138936810595 is a deficient number, since it is larger than the sum of its proper divisors (50224538525).

138936810595 is a wasteful number, since it uses less digits than its factorization.

138936810595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864355.

The product of its (nonzero) digits is 6998400, while the sum is 58.

The spelling of 138936810595 in words is "one hundred thirty-eight billion, nine hundred thirty-six million, eight hundred ten thousand, five hundred ninety-five".