129960632 has 8 divisors (see below), whose sum is σ = 243676200. Its totient is φ = 64980312.

The previous prime is 129960619. The next prime is 129960647. The reversal of 129960632 is 236069921.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8122532 + ... + 8122547.

It is an arithmetic number, because the mean of its divisors is an integer number (30459525).

Almost surely, 2^129960632 is an apocalyptic number.

It is an amenable number.

129960632 is a deficient number, since it is larger than the sum of its proper divisors (113715568).

129960632 is a wasteful number, since it uses less digits than its factorization.

129960632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16245085 (or 16245081 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 129960632 is about 11400.0277192645. The cubic root of 129960632 is about 506.5285607738.

The spelling of 129960632 in words is "one hundred twenty-nine million, nine hundred sixty thousand, six hundred thirty-two".