156422713 has 4 divisors (see below), whose sum is σ = 158307408. Its totient is φ = 154538020.

The previous prime is 156422671. The next prime is 156422759. The reversal of 156422713 is 317224651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317224651 = 59 ⋅5376689.

It is a cyclic number.

It is not a de Polignac number, because 156422713 - 2²⁵ = 122868281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156422113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942223 + ... + 942388.

It is an arithmetic number, because the mean of its divisors is an integer number (39576852).

Almost surely, 2^156422713 is an apocalyptic number.

It is an amenable number.

156422713 is a deficient number, since it is larger than the sum of its proper divisors (1884695).

156422713 is an equidigital number, since it uses as much as digits as its factorization.

156422713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884694.

The product of its digits is 10080, while the sum is 31.

The square root of 156422713 is about 12506.9066119485. The cubic root of 156422713 is about 538.8070521673.

The spelling of 156422713 in words is "one hundred fifty-six million, four hundred twenty-two thousand, seven hundred thirteen".