129932160 has 256 divisors, whose sum is σ = 446515200. Its totient is φ = 32071680.

The previous prime is 129932141. The next prime is 129932161. The reversal of 129932160 is 61239921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129932161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2202211 + ... + 2202269.

It is an arithmetic number, because the mean of its divisors is an integer number (1744200).

Almost surely, 2^129932160 is an apocalyptic number.

129932160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129932160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223257600).

129932160 is an abundant number, since it is smaller than the sum of its proper divisors (316583040).

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

129932160 is a wasteful number, since it uses less digits than its factorization.

129932160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 129932160 is about 11398.7788819680. The cubic root of 129932160 is about 506.4915676878.

The spelling of 129932160 in words is "one hundred twenty-nine million, nine hundred thirty-two thousand, one hundred sixty".