129696364 has 24 divisors (see below), whose sum is σ = 261916928. Its totient is φ = 55043280.

The previous prime is 129696361. The next prime is 129696373. The reversal of 129696364 is 463696921.

It is a super-2 number, since 2×129696364² = 33642293669640992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129696361) 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, 19602 + ... + 25369.

Almost surely, 2^129696364 is an apocalyptic number.

129696364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

129696364 is an abundant number, since it is smaller than the sum of its proper divisors (132220564).

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

129696364 is a wasteful number, since it uses less digits than its factorization.

129696364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45085 (or 45083 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 129696364 is about 11388.4311474408. The cubic root of 129696364 is about 506.1849948744.

The spelling of 129696364 in words is "one hundred twenty-nine million, six hundred ninety-six thousand, three hundred sixty-four".