129701896 has 16 divisors (see below), whose sum is σ = 243314640. Its totient is φ = 64818000.

The previous prime is 129701893. The next prime is 129701917. The reversal of 129701896 is 698107921.

It is not an unprimeable number, because it can be changed into a prime (129701893) 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, 23515 + ... + 28501.

It is an arithmetic number, because the mean of its divisors is an integer number (15207165).

Almost surely, 2^129701896 is an apocalyptic number.

It is an amenable number.

129701896 is a deficient number, since it is larger than the sum of its proper divisors (113612744).

129701896 is a wasteful number, since it uses less digits than its factorization.

129701896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244 (or 8240 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 129701896 is about 11388.6740229054. The cubic root of 129701896 is about 506.1921916210.

The spelling of 129701896 in words is "one hundred twenty-nine million, seven hundred one thousand, eight hundred ninety-six".