129758952 has 16 divisors (see below), whose sum is σ = 324397440. Its totient is φ = 43252976.

The previous prime is 129758933. The next prime is 129758969. The reversal of 129758952 is 259857921.

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 3 ways as a sum of consecutive naturals, for example, 2703288 + ... + 2703335.

It is an arithmetic number, because the mean of its divisors is an integer number (20274840).

Almost surely, 2^129758952 is an apocalyptic number.

129758952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129758952 is an abundant number, since it is smaller than the sum of its proper divisors (194638488).

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

129758952 is a wasteful number, since it uses less digits than its factorization.

129758952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5406632 (or 5406628 counting only the distinct ones).

The product of its digits is 453600, while the sum is 48.

The square root of 129758952 is about 11391.1786923040. The cubic root of 129758952 is about 506.2664055650.

The spelling of 129758952 in words is "one hundred twenty-nine million, seven hundred fifty-eight thousand, nine hundred fifty-two".