156042168129 has 12 divisors (see below), whose sum is σ = 237257098000. Its totient is φ = 98552948184.

The previous prime is 156042168127. The next prime is 156042168187. The reversal of 156042168129 is 921861240651.

156042168129 is a `hidden beast` number, since 1 + 5 + 604 + 2 + 16 + 8 + 1 + 29 = 666.

It is not a de Polignac number, because 156042168129 - 2¹ = 156042168127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156042168127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456263479 + ... + 456263820.

Almost surely, 2^156042168129 is an apocalyptic number.

156042168129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

156042168129 is a deficient number, since it is larger than the sum of its proper divisors (81214929871).

156042168129 is a wasteful number, since it uses less digits than its factorization.

156042168129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912527324 (or 912527321 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 156042168129 in words is "one hundred fifty-six billion, forty-two million, one hundred sixty-eight thousand, one hundred twenty-nine".