129334638160 has 160 divisors (see below), whose sum is σ = 373373602560. Its totient is φ = 40569790464.

The previous prime is 129334638107. The next prime is 129334638217. The reversal of 129334638160 is 61836433921.

It is a self number, because there is not a number n which added to its sum of digits gives 129334638160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744031 + ... + 901249.

It is an arithmetic number, because the mean of its divisors is an integer number (2333585016).

Almost surely, 2^129334638160 is an apocalyptic number.

129334638160 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 129334638160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186686801280).

129334638160 is an abundant number, since it is smaller than the sum of its proper divisors (244038964400).

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

129334638160 is a wasteful number, since it uses less digits than its factorization.

129334638160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157365 (or 157359 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 129334638160 in words is "one hundred twenty-nine billion, three hundred thirty-four million, six hundred thirty-eight thousand, one hundred sixty".