129030664 has 32 divisors (see below), whose sum is σ = 277070400. Its totient is φ = 55183680.

The previous prime is 129030647. The next prime is 129030679. The reversal of 129030664 is 466030921.

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, 28167 + ... + 32425.

It is an arithmetic number, because the mean of its divisors is an integer number (8658450).

Almost surely, 2^129030664 is an apocalyptic number.

129030664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129030664 is an abundant number, since it is smaller than the sum of its proper divisors (148039736).

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

129030664 is a wasteful number, since it uses less digits than its factorization.

129030664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813 (or 4809 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 129030664 is about 11359.1665187196. The cubic root of 129030664 is about 505.3174672784.

The spelling of 129030664 in words is "one hundred twenty-nine million, thirty thousand, six hundred sixty-four".