138976708599 has 24 divisors (see below), whose sum is σ = 202910696352. Its totient is φ = 91653120000.

The previous prime is 138976708553. The next prime is 138976708603. The reversal of 138976708599 is 995807679831.

It is not a de Polignac number, because 138976708599 - 2³² = 134681741303 is a prime.

It is a super-2 number, since 2×138976708599² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138976704599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 788599 + ... + 948599.

It is an arithmetic number, because the mean of its divisors is an integer number (8454612348).

Almost surely, 2^138976708599 is an apocalyptic number.

138976708599 is a deficient number, since it is larger than the sum of its proper divisors (63933987753).

138976708599 is a wasteful number, since it uses less digits than its factorization.

138976708599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161047 (or 161044 counting only the distinct ones).

The product of its (nonzero) digits is 205752960, while the sum is 72.

The spelling of 138976708599 in words is "one hundred thirty-eight billion, nine hundred seventy-six million, seven hundred eight thousand, five hundred ninety-nine".