129964528 has 20 divisors (see below), whose sum is σ = 255257968. Its totient is φ = 64091520.

The previous prime is 129964519. The next prime is 129964531. The reversal of 129964528 is 825469921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54468 + ... + 56803.

Almost surely, 2^129964528 is an apocalyptic number.

It is an amenable number.

129964528 is a deficient number, since it is larger than the sum of its proper divisors (125293440).

129964528 is a wasteful number, since it uses less digits than its factorization.

129964528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111352 (or 111346 counting only the distinct ones).

The product of its digits is 311040, while the sum is 46.

The square root of 129964528 is about 11400.1985947614. The cubic root of 129964528 is about 506.5336223464.

The spelling of 129964528 in words is "one hundred twenty-nine million, nine hundred sixty-four thousand, five hundred twenty-eight".