129013164 has 72 divisors (see below), whose sum is σ = 388926720. Its totient is φ = 35256672.

The previous prime is 129013147. The next prime is 129013169. The reversal of 129013164 is 461310921.

It is not an unprimeable number, because it can be changed into a prime (129013169) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5334 + ... + 16925.

It is an arithmetic number, because the mean of its divisors is an integer number (5401760).

Almost surely, 2^129013164 is an apocalyptic number.

129013164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129013164 is an abundant number, since it is smaller than the sum of its proper divisors (259913556).

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

129013164 is a wasteful number, since it uses less digits than its factorization.

129013164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22299 (or 22294 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 129013164 is about 11358.3961896035. The cubic root of 129013164 is about 505.2946214028.

The spelling of 129013164 in words is "one hundred twenty-nine million, thirteen thousand, one hundred sixty-four".