129994608 has 20 divisors (see below), whose sum is σ = 335819528. Its totient is φ = 43331520.

The previous prime is 129994591. The next prime is 129994649. The reversal of 129994608 is 806499921.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2708221 = 129994608 / (1 + 2 + 9 + 9 + 9 + 4 + 6 + 0 + 8).

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, 1354063 + ... + 1354158.

Almost surely, 2^129994608 is an apocalyptic number.

It is an amenable number.

129994608 is an abundant number, since it is smaller than the sum of its proper divisors (205824920).

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

129994608 is a wasteful number, since it uses less digits than its factorization.

129994608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708232 (or 2708226 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 129994608 is about 11401.5177936975. The cubic root of 129994608 is about 506.5726980241.

The spelling of 129994608 in words is "one hundred twenty-nine million, nine hundred ninety-four thousand, six hundred eight".