139077781325 has 24 divisors (see below), whose sum is σ = 197149530432. Its totient is φ = 95340309120.

The previous prime is 139077781307. The next prime is 139077781397. The reversal of 139077781325 is 523187770931.

It is not a de Polignac number, because 139077781325 - 2⁸ = 139077781069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508697 + ... + 732753.

It is an arithmetic number, because the mean of its divisors is an integer number (8214563768).

Almost surely, 2^139077781325 is an apocalyptic number.

It is an amenable number.

139077781325 is a deficient number, since it is larger than the sum of its proper divisors (58071749107).

139077781325 is a wasteful number, since it uses less digits than its factorization.

139077781325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227621 (or 227616 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 53.

The spelling of 139077781325 in words is "one hundred thirty-nine billion, seventy-seven million, seven hundred eighty-one thousand, three hundred twenty-five".