129808593 has 12 divisors (see below), whose sum is σ = 187828368. Its totient is φ = 86388120.

The previous prime is 129808579. The next prime is 129808603. The reversal of 129808593 is 395808921.

It is a happy number.

It is not a de Polignac number, because 129808593 - 2⁴ = 129808577 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (129804593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7003 + ... + 17568.

It is an arithmetic number, because the mean of its divisors is an integer number (15652364).

Almost surely, 2^129808593 is an apocalyptic number.

It is an amenable number.

129808593 is a deficient number, since it is larger than the sum of its proper divisors (58019775).

129808593 is a wasteful number, since it uses less digits than its factorization.

129808593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25164 (or 25161 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 129808593 is about 11393.3574068402. The cubic root of 129808593 is about 506.3309569662.

The spelling of 129808593 in words is "one hundred twenty-nine million, eight hundred eight thousand, five hundred ninety-three".