138326937695 has 16 divisors (see below), whose sum is σ = 167878280160. Its totient is φ = 109404556800.

The previous prime is 138326937677. The next prime is 138326937703. The reversal of 138326937695 is 596739623831.

It is a happy number.

It is not a de Polignac number, because 138326937695 - 2²⁴ = 138310160479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5064275 + ... + 5091515.

It is an arithmetic number, because the mean of its divisors is an integer number (10492392510).

Almost surely, 2^138326937695 is an apocalyptic number.

138326937695 is a deficient number, since it is larger than the sum of its proper divisors (29551342465).

138326937695 is a wasteful number, since it uses less digits than its factorization.

138326937695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38746.

The product of its digits is 44089920, while the sum is 62.

The spelling of 138326937695 in words is "one hundred thirty-eight billion, three hundred twenty-six million, nine hundred thirty-seven thousand, six hundred ninety-five".