139393272672 has 72 divisors (see below), whose sum is σ = 397597473000. Its totient is φ = 46324016640.

The previous prime is 139393272661. The next prime is 139393272757. The reversal of 139393272672 is 276272393931.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 635797 + ... + 826452.

It is an arithmetic number, because the mean of its divisors is an integer number (5522187125).

Almost surely, 2^139393272672 is an apocalyptic number.

139393272672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139393272672 is an abundant number, since it is smaller than the sum of its proper divisors (258204200328).

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

139393272672 is a wasteful number, since it uses less digits than its factorization.

139393272672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462596 (or 1462585 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 54.

The spelling of 139393272672 in words is "one hundred thirty-nine billion, three hundred ninety-three million, two hundred seventy-two thousand, six hundred seventy-two".