129536632 has 16 divisors (see below), whose sum is σ = 244225800. Its totient is φ = 64409760.

The previous prime is 129536629. The next prime is 129536647. The reversal of 129536632 is 236635921.

It is a junction number, because it is equal to n+sod(n) for n = 129536591 and 129536600.

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, 43282 + ... + 46177.

Almost surely, 2^129536632 is an apocalyptic number.

It is an amenable number.

129536632 is a deficient number, since it is larger than the sum of its proper divisors (114689168).

129536632 is a wasteful number, since it uses less digits than its factorization.

129536632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89646 (or 89642 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 129536632 is about 11381.4160806114. The cubic root of 129536632 is about 505.9771063501.

The spelling of 129536632 in words is "one hundred twenty-nine million, five hundred thirty-six thousand, six hundred thirty-two".