129816152 has 8 divisors (see below), whose sum is σ = 243405300. Its totient is φ = 64908072.

The previous prime is 129816149. The next prime is 129816179. The reversal of 129816152 is 251618921.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113502 + ... + 8113517.

Almost surely, 2^129816152 is an apocalyptic number.

It is an amenable number.

129816152 is a deficient number, since it is larger than the sum of its proper divisors (113589148).

129816152 is a wasteful number, since it uses less digits than its factorization.

129816152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16227025 (or 16227021 counting only the distinct ones).

The product of its digits is 8640, while the sum is 35.

The square root of 129816152 is about 11393.6891303914. The cubic root of 129816152 is about 506.3407849787.

The spelling of 129816152 in words is "one hundred twenty-nine million, eight hundred sixteen thousand, one hundred fifty-two".