129949932 has 24 divisors (see below), whose sum is σ = 346533376. Its totient is φ = 37128528.

The previous prime is 129949889. The next prime is 129949961. The reversal of 129949932 is 239949921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773428 + ... + 773595.

Almost surely, 2^129949932 is an apocalyptic number.

129949932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129949932 is an abundant number, since it is smaller than the sum of its proper divisors (216583444).

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

129949932 is a wasteful number, since it uses less digits than its factorization.

129949932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547037 (or 1547035 counting only the distinct ones).

The product of its digits is 314928, while the sum is 48.

The square root of 129949932 is about 11399.5584125000. The cubic root of 129949932 is about 506.5146591169.

The spelling of 129949932 in words is "one hundred twenty-nine million, nine hundred forty-nine thousand, nine hundred thirty-two".