129633088 has 28 divisors (see below), whose sum is σ = 277030180. Its totient is φ = 59830272.

The previous prime is 129633073. The next prime is 129633139. The reversal of 129633088 is 880336921.

It can be written as a sum of positive squares in 2 ways, for example, as 8809024 + 120824064 = 2968^2 + 10992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 129633088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77073 + ... + 78736.

It is an arithmetic number, because the mean of its divisors is an integer number (9893935).

Almost surely, 2^129633088 is an apocalyptic number.

It is an amenable number.

129633088 is an abundant number, since it is smaller than the sum of its proper divisors (147397092).

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

129633088 is a wasteful number, since it uses less digits than its factorization.

129633088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155834 (or 155824 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 129633088 is about 11385.6527261286. The cubic root of 129633088 is about 506.1026626461.

The spelling of 129633088 in words is "one hundred twenty-nine million, six hundred thirty-three thousand, eighty-eight".