156013869 has 16 divisors (see below), whose sum is σ = 227441664. Its totient is φ = 94340400.

The previous prime is 156013843. The next prime is 156013873. The reversal of 156013869 is 968310651.

It is not a de Polignac number, because 156013869 - 2¹² = 156009773 is a prime.

It is a super-2 number, since 2×156013869² = 48680654640698322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156013889) 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 15 ways as a sum of consecutive naturals, for example, 10174 + ... + 20384.

It is an arithmetic number, because the mean of its divisors is an integer number (14215104).

Almost surely, 2^156013869 is an apocalyptic number.

It is an amenable number.

156013869 is a deficient number, since it is larger than the sum of its proper divisors (71427795).

156013869 is a wasteful number, since it uses less digits than its factorization.

156013869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10688.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 156013869 is about 12490.5511887987. The cubic root of 156013869 is about 538.3372136795.

The spelling of 156013869 in words is "one hundred fifty-six million, thirteen thousand, eight hundred sixty-nine".