129360232 has 16 divisors (see below), whose sum is σ = 243476640. Its totient is φ = 64433136.

The previous prime is 129360221. The next prime is 129360239. The reversal of 129360232 is 232063921.

It is a self number, because there is not a number n which added to its sum of digits gives 129360232.

It is not an unprimeable number, because it can be changed into a prime (129360239) 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, 28638 + ... + 32845.

It is an arithmetic number, because the mean of its divisors is an integer number (15217290).

Almost surely, 2^129360232 is an apocalyptic number.

It is an amenable number.

129360232 is a deficient number, since it is larger than the sum of its proper divisors (114116408).

129360232 is a wasteful number, since it uses less digits than its factorization.

129360232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61752 (or 61748 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 129360232 is about 11373.6639654950. The cubic root of 129360232 is about 505.7473260280.

The spelling of 129360232 in words is "one hundred twenty-nine million, three hundred sixty thousand, two hundred thirty-two".