129992594 has 8 divisors (see below), whose sum is σ = 195093360. Its totient is φ = 64961476.

The previous prime is 129992593. The next prime is 129992609. The reversal of 129992594 is 495299921.

129992594 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (129992593) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12464 + ... + 20379.

It is an arithmetic number, because the mean of its divisors is an integer number (24386670).

Almost surely, 2^129992594 is an apocalyptic number.

129992594 is a deficient number, since it is larger than the sum of its proper divisors (65100766).

129992594 is a wasteful number, since it uses less digits than its factorization.

129992594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34824.

The product of its digits is 524880, while the sum is 50.

The square root of 129992594 is about 11401.4294717812. The cubic root of 129992594 is about 506.5700819088.

The spelling of 129992594 in words is "one hundred twenty-nine million, nine hundred ninety-two thousand, five hundred ninety-four".