139275321872 has 20 divisors (see below), whose sum is σ = 271405744620. Its totient is φ = 69235129728.

The previous prime is 139275321869. The next prime is 139275321929. The reversal of 139275321872 is 278123572931.

It can be written as a sum of positive squares in 2 ways, for example, as 126042040576 + 13233281296 = 355024^2 + 115036^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 139275321872.

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, 25155347 + ... + 25160882.

It is an arithmetic number, because the mean of its divisors is an integer number (13570287231).

Almost surely, 2^139275321872 is an apocalyptic number.

It is an amenable number.

139275321872 is a deficient number, since it is larger than the sum of its proper divisors (132130422748).

139275321872 is a wasteful number, since it uses less digits than its factorization.

139275321872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50316410 (or 50316404 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The spelling of 139275321872 in words is "one hundred thirty-nine billion, two hundred seventy-five million, three hundred twenty-one thousand, eight hundred seventy-two".