156512013 has 16 divisors (see below), whose sum is σ = 252524160. Its totient is φ = 84174336.

The previous prime is 156512011. The next prime is 156512029. The reversal of 156512013 is 310215651.

It is not a de Polignac number, because 156512013 - 2¹ = 156512011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156512011) 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, 218848 + ... + 219561.

It is an arithmetic number, because the mean of its divisors is an integer number (15782760).

Almost surely, 2^156512013 is an apocalyptic number.

It is an amenable number.

156512013 is a deficient number, since it is larger than the sum of its proper divisors (96012147).

156512013 is a wasteful number, since it uses less digits than its factorization.

156512013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438436.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 156512013 is about 12510.4761300280. The cubic root of 156512013 is about 538.9095656611.

Adding to 156512013 its reverse (310215651), we get a palindrome (466727664).

The spelling of 156512013 in words is "one hundred fifty-six million, five hundred twelve thousand, thirteen".