129364179 has 32 divisors (see below), whose sum is σ = 208320000. Its totient is φ = 69755904.

The previous prime is 129364127. The next prime is 129364229. The reversal of 129364179 is 971463921.

It is not a de Polignac number, because 129364179 - 2⁷ = 129364051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129364179.

It is not an unprimeable number, because it can be changed into a prime (129369179) by changing a digit.

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, 138787 + ... + 139715.

It is an arithmetic number, because the mean of its divisors is an integer number (6510000).

Almost surely, 2^129364179 is an apocalyptic number.

129364179 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

129364179 is a deficient number, since it is larger than the sum of its proper divisors (78955821).

129364179 is a wasteful number, since it uses less digits than its factorization.

129364179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307.

The product of its digits is 81648, while the sum is 42.

The square root of 129364179 is about 11373.8374790569. The cubic root of 129364179 is about 505.7524697118.

The spelling of 129364179 in words is "one hundred twenty-nine million, three hundred sixty-four thousand, one hundred seventy-nine".