156136855 has 16 divisors (see below), whose sum is σ = 219919680. Its totient is φ = 104170752.

The previous prime is 156136843. The next prime is 156136859. The reversal of 156136855 is 558631651.

It is not a de Polignac number, because 156136855 - 2⁷ = 156136727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156136859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58990 + ... + 61579.

It is an arithmetic number, because the mean of its divisors is an integer number (13744980).

Almost surely, 2^156136855 is an apocalyptic number.

156136855 is a deficient number, since it is larger than the sum of its proper divisors (63782825).

156136855 is a wasteful number, since it uses less digits than its factorization.

156136855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120618.

The product of its digits is 108000, while the sum is 40.

The square root of 156136855 is about 12495.4733803886. The cubic root of 156136855 is about 538.4786339078.

It can be divided in two parts, 1561 and 36855, that added together give a 4-th power (38416 = 14⁴).

The spelling of 156136855 in words is "one hundred fifty-six million, one hundred thirty-six thousand, eight hundred fifty-five".