156412432140 has 96 divisors (see below), whose sum is σ = 440117012160. Its totient is φ = 41504464896.

The previous prime is 156412432139. The next prime is 156412432157. The reversal of 156412432140 is 41234214651.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13439764 + ... + 13451396.

It is an arithmetic number, because the mean of its divisors is an integer number (4584552210).

Almost surely, 2^156412432140 is an apocalyptic number.

156412432140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156412432140 is an abundant number, since it is smaller than the sum of its proper divisors (283704580020).

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

156412432140 is a wasteful number, since it uses less digits than its factorization.

156412432140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12731 (or 12729 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 156412432140 its reverse (41234214651), we get a palindrome (197646646791).

The spelling of 156412432140 in words is "one hundred fifty-six billion, four hundred twelve million, four hundred thirty-two thousand, one hundred forty".