139273536128 has 64 divisors (see below), whose sum is σ = 304760577600. Its totient is φ = 63103315968.

The previous prime is 139273536121. The next prime is 139273536163. The reversal of 139273536128 is 821635372931.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (139273536121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189001 + ... + 1300872.

It is an arithmetic number, because the mean of its divisors is an integer number (4761884025).

Almost surely, 2^139273536128 is an apocalyptic number.

It is an amenable number.

139273536128 is an abundant number, since it is smaller than the sum of its proper divisors (165487041472).

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

139273536128 is a wasteful number, since it uses less digits than its factorization.

139273536128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489929 (or 2489917 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The spelling of 139273536128 in words is "one hundred thirty-nine billion, two hundred seventy-three million, five hundred thirty-six thousand, one hundred twenty-eight".