129719932 has 24 divisors (see below), whose sum is σ = 230360256. Its totient is φ = 63909888.

The previous prime is 129719927. The next prime is 129719963. The reversal of 129719932 is 239917921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86493 + ... + 87979.

It is an arithmetic number, because the mean of its divisors is an integer number (9598344).

Almost surely, 2^129719932 is an apocalyptic number.

It is an amenable number.

129719932 is a deficient number, since it is larger than the sum of its proper divisors (100640324).

129719932 is a wasteful number, since it uses less digits than its factorization.

129719932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797 (or 1795 counting only the distinct ones).

The product of its digits is 61236, while the sum is 43.

The square root of 129719932 is about 11389.4658347088. The cubic root of 129719932 is about 506.2156537792.

The spelling of 129719932 in words is "one hundred twenty-nine million, seven hundred nineteen thousand, nine hundred thirty-two".