156713725 has 12 divisors (see below), whose sum is σ = 222085984. Its totient is φ = 107460720.

The previous prime is 156713719. The next prime is 156713783. The reversal of 156713725 is 527317651.

It is not a de Polignac number, because 156713725 - 2⁵ = 156713693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447579 + ... + 447928.

Almost surely, 2^156713725 is an apocalyptic number.

It is an amenable number.

156713725 is a deficient number, since it is larger than the sum of its proper divisors (65372259).

156713725 is an equidigital number, since it uses as much as digits as its factorization.

156713725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895524 (or 895519 counting only the distinct ones).

The product of its digits is 44100, while the sum is 37.

The square root of 156713725 is about 12518.5352577688. The cubic root of 156713725 is about 539.1409810401.

The spelling of 156713725 in words is "one hundred fifty-six million, seven hundred thirteen thousand, seven hundred twenty-five".