139064056225 has 6 divisors (see below), whose sum is σ = 172439429750. Its totient is φ = 111251244960.

The previous prime is 139064056151. The next prime is 139064056237. The reversal of 139064056225 is 522650460931.

139064056225 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 47438582416 + 91625473809 = 217804^2 + 302697^2 .

It is not a de Polignac number, because 139064056225 - 2⁷ = 139064056097 is a prime.

It is a super-2 number, since 2×139064056225² (a number of 23 digits) contains 22 as substring.

139064056225 is strictly pandigital in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2781281100 + ... + 2781281149.

Almost surely, 2^139064056225 is an apocalyptic number.

It is an amenable number.

139064056225 is a deficient number, since it is larger than the sum of its proper divisors (33375373525).

139064056225 is an equidigital number, since it uses as much as digits as its factorization.

139064056225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562562259 (or 5562562254 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 139064056225 in words is "one hundred thirty-nine billion, sixty-four million, fifty-six thousand, two hundred twenty-five".