129358393 has 2 divisors, whose sum is σ = 129358394. Its totient is φ = 129358392.

The previous prime is 129358387. The next prime is 129358459. The reversal of 129358393 is 393853921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97061904 + 32296489 = 9852^2 + 5683^2 .

It is a cyclic number.

It is not a de Polignac number, because 129358393 - 2¹⁷ = 129227321 is a prime.

It is not a weakly prime, because it can be changed into another prime (129358363) 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 as a sum of consecutive naturals, namely, 64679196 + 64679197.

It is an arithmetic number, because the mean of its divisors is an integer number (64679197).

Almost surely, 2^129358393 is an apocalyptic number.

It is an amenable number.

129358393 is a deficient number, since it is larger than the sum of its proper divisors (1).

129358393 is an equidigital number, since it uses as much as digits as its factorization.

129358393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 129358393 is about 11373.5831205474. The cubic root of 129358393 is about 505.7449294292.

The spelling of 129358393 in words is "one hundred twenty-nine million, three hundred fifty-eight thousand, three hundred ninety-three".