156133838 has 8 divisors (see below), whose sum is σ = 267658032. Its totient is φ = 66914496.

The previous prime is 156133837. The next prime is 156133843. The reversal of 156133838 is 838331651.

156133838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×156133838² = 48755550737220488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156133837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5576195 + ... + 5576222.

It is an arithmetic number, because the mean of its divisors is an integer number (33457254).

Almost surely, 2^156133838 is an apocalyptic number.

156133838 is a deficient number, since it is larger than the sum of its proper divisors (111524194).

156133838 is a wasteful number, since it uses less digits than its factorization.

156133838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11152426.

The product of its digits is 51840, while the sum is 38.

The square root of 156133838 is about 12495.3526560878. The cubic root of 156133838 is about 538.4751655819.

The spelling of 156133838 in words is "one hundred fifty-six million, one hundred thirty-three thousand, eight hundred thirty-eight".