129164 has 18 divisors (see below), whose sum is σ = 263340. Its totient is φ = 55272.

The previous prime is 129127. The next prime is 129169. The reversal of 129164 is 461921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (129169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134 + ... + 525.

It is an arithmetic number, because the mean of its divisors is an integer number (14630).

2¹²⁹¹⁶⁴ is an apocalyptic number.

129164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129164 is an abundant number, since it is smaller than the sum of its proper divisors (134176).

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

129164 is a wasteful number, since it uses less digits than its factorization.

129164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 668 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 129164 is about 359.3939342838. The cubic root of 129164 is about 50.5491466783.

The spelling of 129164 in words is "one hundred twenty-nine thousand, one hundred sixty-four".