129965196 has 48 divisors (see below), whose sum is σ = 308883456. Its totient is φ = 42525504.

The previous prime is 129965189. The next prime is 129965207. The reversal of 129965196 is 691569921.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162670 + ... + 163466.

It is an arithmetic number, because the mean of its divisors is an integer number (6435072).

Almost surely, 2^129965196 is an apocalyptic number.

It is an amenable number.

129965196 is an abundant number, since it is smaller than the sum of its proper divisors (178918260).

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

129965196 is a wasteful number, since it uses less digits than its factorization.

129965196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038 (or 1036 counting only the distinct ones).

The product of its digits is 262440, while the sum is 48.

The square root of 129965196 is about 11400.2278924590. The cubic root of 129965196 is about 506.5344901829.

The spelling of 129965196 in words is "one hundred twenty-nine million, nine hundred sixty-five thousand, one hundred ninety-six".