156975938 has 16 divisors (see below), whose sum is σ = 269426304. Its totient is φ = 67194240.

The previous prime is 156975887. The next prime is 156975947. The reversal of 156975938 is 839579651.

It is a super-2 number, since 2×156975938² = 49282890221959688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156975938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6098 + ... + 18738.

It is an arithmetic number, because the mean of its divisors is an integer number (16839144).

Almost surely, 2^156975938 is an apocalyptic number.

156975938 is a deficient number, since it is larger than the sum of its proper divisors (112450366).

156975938 is a wasteful number, since it uses less digits than its factorization.

156975938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13537.

The product of its digits is 2041200, while the sum is 53.

The square root of 156975938 is about 12529.0038710186. The cubic root of 156975938 is about 539.4415099201.

The spelling of 156975938 in words is "one hundred fifty-six million, nine hundred seventy-five thousand, nine hundred thirty-eight".