129358441 has 16 divisors (see below), whose sum is σ = 139068160. Its totient is φ = 119964240.

The previous prime is 129358393. The next prime is 129358459. The reversal of 129358441 is 144853921.

It is a cyclic number.

It is not a de Polignac number, because 129358441 - 2⁹ = 129357929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129358441.

It is not an unprimeable number, because it can be changed into a prime (129356441) 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 15 ways as a sum of consecutive naturals, for example, 390646 + ... + 390976.

It is an arithmetic number, because the mean of its divisors is an integer number (8691760).

Almost surely, 2^129358441 is an apocalyptic number.

It is an amenable number.

129358441 is a deficient number, since it is larger than the sum of its proper divisors (9709719).

129358441 is a wasteful number, since it uses less digits than its factorization.

129358441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its digits is 34560, while the sum is 37.

The square root of 129358441 is about 11373.5852307001. The cubic root of 129358441 is about 505.7449919835.

The spelling of 129358441 in words is "one hundred twenty-nine million, three hundred fifty-eight thousand, four hundred forty-one".