139122692664 has 16 divisors (see below), whose sum is σ = 347806731720. Its totient is φ = 46374230880.

The previous prime is 139122692603. The next prime is 139122692693. The reversal of 139122692664 is 466296221931.

It is a super-2 number, since 2×139122692664² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2898389407 + ... + 2898389454.

Almost surely, 2^139122692664 is an apocalyptic number.

It is an amenable number.

139122692664 is an abundant number, since it is smaller than the sum of its proper divisors (208684039056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139122692664 is a wasteful number, since it uses less digits than its factorization.

139122692664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5796778870 (or 5796778866 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The spelling of 139122692664 in words is "one hundred thirty-nine billion, one hundred twenty-two million, six hundred ninety-two thousand, six hundred sixty-four".