156340215139 has 8 divisors (see below), whose sum is σ = 160237717920. Its totient is φ = 152446728000.

The previous prime is 156340215079. The next prime is 156340215169. The reversal of 156340215139 is 931512043651.

It is a happy number.

156340215139 is digitally balanced in base 2, 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 cyclic number.

It is not a de Polignac number, because 156340215139 - 2³⁷ = 18901261667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156340215169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924999 + ... + 1080880.

It is an arithmetic number, because the mean of its divisors is an integer number (20029714740).

Almost surely, 2^156340215139 is an apocalyptic number.

156340215139 is a deficient number, since it is larger than the sum of its proper divisors (3897502781).

156340215139 is a wasteful number, since it uses less digits than its factorization.

156340215139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007821.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 156340215139 in words is "one hundred fifty-six billion, three hundred forty million, two hundred fifteen thousand, one hundred thirty-nine".