129966508 has 24 divisors (see below), whose sum is σ = 268319744. Its totient is φ = 53902800.

The previous prime is 129966493. The next prime is 129966559. The reversal of 129966508 is 805669921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73998 + ... + 75733.

Almost surely, 2^129966508 is an apocalyptic number.

It is an amenable number.

129966508 is an abundant number, since it is smaller than the sum of its proper divisors (138353236).

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

129966508 is a wasteful number, since it uses less digits than its factorization.

129966508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149773 (or 149771 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 129966508 is about 11400.2854350231. The cubic root of 129966508 is about 506.5361946675.

The spelling of 129966508 in words is "one hundred twenty-nine million, nine hundred sixty-six thousand, five hundred eight".