156213396 has 36 divisors (see below), whose sum is σ = 395740800. Its totient is φ = 51956688.

The previous prime is 156213349. The next prime is 156213437. The reversal of 156213396 is 693312651.

156213396 is a `hidden beast` number, since 1 + 56 + 213 + 396 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 156213396.

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, 12715 + ... + 21773.

It is an arithmetic number, because the mean of its divisors is an integer number (10992800).

Almost surely, 2^156213396 is an apocalyptic number.

It is an amenable number.

156213396 is an abundant number, since it is smaller than the sum of its proper divisors (239527404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156213396 is a wasteful number, since it uses less digits than its factorization.

156213396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9548 (or 9543 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 156213396 is about 12498.5357542394. The cubic root of 156213396 is about 538.5666100619.

The spelling of 156213396 in words is "one hundred fifty-six million, two hundred thirteen thousand, three hundred ninety-six".