138236915596 has 12 divisors (see below), whose sum is σ = 260523417952. Its totient is φ = 63801653328.

The previous prime is 138236915569. The next prime is 138236915599. The reversal of 138236915596 is 695519632831.

It is a self number, because there is not a number n which added to its sum of digits gives 138236915596.

It is not an unprimeable number, because it can be changed into a prime (138236915599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329201060 + ... + 1329201163.

Almost surely, 2^138236915596 is an apocalyptic number.

It is an amenable number.

138236915596 is a deficient number, since it is larger than the sum of its proper divisors (122286502356).

138236915596 is a wasteful number, since it uses less digits than its factorization.

138236915596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658402240 (or 2658402238 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 58.

The spelling of 138236915596 in words is "one hundred thirty-eight billion, two hundred thirty-six million, nine hundred fifteen thousand, five hundred ninety-six".