129659332 has 12 divisors (see below), whose sum is σ = 247531536. Its totient is φ = 58936040.

The previous prime is 129659297. The next prime is 129659333. The reversal of 129659332 is 233956921.

It is not an unprimeable number, because it can be changed into a prime (129659333) 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, 1473358 + ... + 1473445.

It is an arithmetic number, because the mean of its divisors is an integer number (20627628).

Almost surely, 2^129659332 is an apocalyptic number.

It is an amenable number.

129659332 is a deficient number, since it is larger than the sum of its proper divisors (117872204).

129659332 is a wasteful number, since it uses less digits than its factorization.

129659332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946818 (or 2946816 counting only the distinct ones).

The product of its digits is 87480, while the sum is 40.

The square root of 129659332 is about 11386.8051708985. The cubic root of 129659332 is about 506.1368135517.

The spelling of 129659332 in words is "one hundred twenty-nine million, six hundred fifty-nine thousand, three hundred thirty-two".