129494908 has 6 divisors (see below), whose sum is σ = 226616096. Its totient is φ = 64747452.

The previous prime is 129494881. The next prime is 129494921. The reversal of 129494908 is 809494921.

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, 16186860 + ... + 16186867.

Almost surely, 2^129494908 is an apocalyptic number.

It is an amenable number.

129494908 is a deficient number, since it is larger than the sum of its proper divisors (97121188).

129494908 is a wasteful number, since it uses less digits than its factorization.

129494908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32373731 (or 32373729 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 129494908 is about 11379.5829449062. The cubic root of 129494908 is about 505.9227751144.

The spelling of 129494908 in words is "one hundred twenty-nine million, four hundred ninety-four thousand, nine hundred eight".