129253308 has 24 divisors (see below), whose sum is σ = 302389248. Its totient is φ = 42970416.

The previous prime is 129253301. The next prime is 129253309. The reversal of 129253308 is 803352921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129253301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9466 + ... + 18657.

It is an arithmetic number, because the mean of its divisors is an integer number (12599552).

Almost surely, 2^129253308 is an apocalyptic number.

It is an amenable number.

129253308 is an abundant number, since it is smaller than the sum of its proper divisors (173135940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129253308 is a wasteful number, since it uses less digits than its factorization.

129253308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28513 (or 28511 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 129253308 is about 11368.9624856449. The cubic root of 129253308 is about 505.6079441065.

The spelling of 129253308 in words is "one hundred twenty-nine million, two hundred fifty-three thousand, three hundred eight".