129385907164 has 24 divisors (see below), whose sum is σ = 228829609008. Its totient is φ = 64008026880.

The previous prime is 129385907159. The next prime is 129385907173. The reversal of 129385907164 is 461709583921.

It is a happy number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 7434 + ... + 508750.

It is an arithmetic number, because the mean of its divisors is an integer number (9534567042).

It is a 1-persistent number, because it is pandigital, but 2⋅129385907164 = 258771814328 is not.

Almost surely, 2^129385907164 is an apocalyptic number.

It is an amenable number.

129385907164 is a deficient number, since it is larger than the sum of its proper divisors (99443701844).

129385907164 is a wasteful number, since it uses less digits than its factorization.

129385907164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502005 (or 502003 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 129385907164 in words is "one hundred twenty-nine billion, three hundred eighty-five million, nine hundred seven thousand, one hundred sixty-four".