129943092 has 36 divisors (see below), whose sum is σ = 306016928. Its totient is φ = 42915600.

The previous prime is 129943069. The next prime is 129943097. The reversal of 129943092 is 290349921.

It is a self number, because there is not a number n which added to its sum of digits gives 129943092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129943097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205617 + ... + 206247.

Almost surely, 2^129943092 is an apocalyptic number.

129943092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129943092 is an abundant number, since it is smaller than the sum of its proper divisors (176073836).

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

129943092 is a wasteful number, since it uses less digits than its factorization.

129943092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 129943092 is about 11399.2583969309. The cubic root of 129943092 is about 506.5057720504.

The spelling of 129943092 in words is "one hundred twenty-nine million, nine hundred forty-three thousand, ninety-two".