156236351136 has 144 divisors (see below), whose sum is σ = 443222829504. Its totient is φ = 48096176128.

The previous prime is 156236351119. The next prime is 156236351147. The reversal of 156236351136 is 631153632651.

It is a happy number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1814860 + ... + 1898996.

It is an arithmetic number, because the mean of its divisors is an integer number (3077936316).

Almost surely, 2^156236351136 is an apocalyptic number.

156236351136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156236351136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221611414752).

156236351136 is an abundant number, since it is smaller than the sum of its proper divisors (286986478368).

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

156236351136 is a wasteful number, since it uses less digits than its factorization.

156236351136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84231 (or 84194 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

Adding to 156236351136 its reverse (631153632651), we get a palindrome (787389983787).

The spelling of 156236351136 in words is "one hundred fifty-six billion, two hundred thirty-six million, three hundred fifty-one thousand, one hundred thirty-six".