120566725139 has 6 divisors (see below), whose sum is σ = 140251088484. Its totient is φ = 103342907220.

The previous prime is 120566725127. The next prime is 120566725189. The reversal of 120566725139 is 931527665021.

It is a de Polignac number, because none of the positive numbers 2^k-120566725139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120566725093 and 120566725102.

It is not an unprimeable number, because it can be changed into a prime (120566725189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1230272657 + ... + 1230272754.

It is an arithmetic number, because the mean of its divisors is an integer number (23375181414).

Almost surely, 2^120566725139 is an apocalyptic number.

120566725139 is a deficient number, since it is larger than the sum of its proper divisors (19684363345).

120566725139 is an equidigital number, since it uses as much as digits as its factorization.

120566725139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460545425 (or 2460545418 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 120566725139 in words is "one hundred twenty billion, five hundred sixty-six million, seven hundred twenty-five thousand, one hundred thirty-nine".