129133393 has 8 divisors (see below), whose sum is σ = 133367040. Its totient is φ = 124961760.

The previous prime is 129133379. The next prime is 129133409. The reversal of 129133393 is 393331921.

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

It is a cyclic number.

It is not a de Polignac number, because 129133393 - 2⁹ = 129132881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129133793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11253 + ... + 19618.

It is an arithmetic number, because the mean of its divisors is an integer number (16670880).

Almost surely, 2^129133393 is an apocalyptic number.

It is an amenable number.

129133393 is a deficient number, since it is larger than the sum of its proper divisors (4233647).

129133393 is an equidigital number, since it uses as much as digits as its factorization.

129133393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31007.

The product of its digits is 13122, while the sum is 34.

The square root of 129133393 is about 11363.6874737032. The cubic root of 129133393 is about 505.4515361531.

The spelling of 129133393 in words is "one hundred twenty-nine million, one hundred thirty-three thousand, three hundred ninety-three".