139225564799 has 4 divisors (see below), whose sum is σ = 139803264480. Its totient is φ = 138647865120.

The previous prime is 139225564787. The next prime is 139225564813. The reversal of 139225564799 is 997465522931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 139225564799 - 2²⁸ = 138957129343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139225567799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288849479 + ... + 288849960.

It is an arithmetic number, because the mean of its divisors is an integer number (34950816120).

Almost surely, 2^139225564799 is an apocalyptic number.

139225564799 is a deficient number, since it is larger than the sum of its proper divisors (577699681).

139225564799 is an equidigital number, since it uses as much as digits as its factorization.

139225564799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577699680.

The product of its digits is 36741600, while the sum is 62.

The spelling of 139225564799 in words is "one hundred thirty-nine billion, two hundred twenty-five million, five hundred sixty-four thousand, seven hundred ninety-nine".