129727132 has 12 divisors (see below), whose sum is σ = 230132896. Its totient is φ = 63974880.

The previous prime is 129727111. The next prime is 129727151. The reversal of 129727132 is 231727921.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 221844 + ... + 222427.

Almost surely, 2^129727132 is an apocalyptic number.

It is an amenable number.

129727132 is a deficient number, since it is larger than the sum of its proper divisors (100405764).

129727132 is a wasteful number, since it uses less digits than its factorization.

129727132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444348 (or 444346 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 129727132 is about 11389.7819118717. The cubic root of 129727132 is about 506.2250193028.

The spelling of 129727132 in words is "one hundred twenty-nine million, seven hundred twenty-seven thousand, one hundred thirty-two".