129374160 has 80 divisors (see below), whose sum is σ = 414021120. Its totient is φ = 33384960.

The previous prime is 129374117. The next prime is 129374183. The reversal of 129374160 is 61473921.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255 + ... + 16134.

It is an arithmetic number, because the mean of its divisors is an integer number (5175264).

Almost surely, 2^129374160 is an apocalyptic number.

129374160 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 129374160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207010560).

129374160 is an abundant number, since it is smaller than the sum of its proper divisors (284646960).

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

129374160 is a wasteful number, since it uses less digits than its factorization.

129374160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17436 (or 17430 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 129374160 is about 11374.2762407109. The cubic root of 129374160 is about 505.7654763664.

The spelling of 129374160 in words is "one hundred twenty-nine million, three hundred seventy-four thousand, one hundred sixty".