129422316 has 12 divisors (see below), whose sum is σ = 301985432. Its totient is φ = 43140768.

The previous prime is 129422299. The next prime is 129422323. The reversal of 129422316 is 613224921.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5392585 + ... + 5392608.

Almost surely, 2^129422316 is an apocalyptic number.

It is an amenable number.

129422316 is an abundant number, since it is smaller than the sum of its proper divisors (172563116).

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

129422316 is a wasteful number, since it uses less digits than its factorization.

129422316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10785200 (or 10785198 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 129422316 is about 11376.3929257036. The cubic root of 129422316 is about 505.8282210469.

The spelling of 129422316 in words is "one hundred twenty-nine million, four hundred twenty-two thousand, three hundred sixteen".