129000964528 has 20 divisors (see below), whose sum is σ = 252151225128. Its totient is φ = 63929680640.

The previous prime is 129000964439. The next prime is 129000964529. The reversal of 129000964528 is 825469000921.

It is not an unprimeable number, because it can be changed into a prime (129000964529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35673238 + ... + 35676853.

Almost surely, 2^129000964528 is an apocalyptic number.

It is an amenable number.

129000964528 is a deficient number, since it is larger than the sum of its proper divisors (123150260600).

129000964528 is a wasteful number, since it uses less digits than its factorization.

129000964528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71350212 (or 71350206 counting only the distinct ones).

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

The spelling of 129000964528 in words is "one hundred twenty-nine billion, nine hundred sixty-four thousand, five hundred twenty-eight".