129808159 has 8 divisors (see below), whose sum is σ = 145871712. Its totient is φ = 114612960.

The previous prime is 129808153. The next prime is 129808163. The reversal of 129808159 is 951808921.

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 129808159 - 2⁹ = 129807647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129808153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216772 + ... + 217369.

It is an arithmetic number, because the mean of its divisors is an integer number (18233964).

Almost surely, 2^129808159 is an apocalyptic number.

129808159 is a deficient number, since it is larger than the sum of its proper divisors (16063553).

129808159 is a wasteful number, since it uses less digits than its factorization.

129808159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434177.

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 129808159 is about 11393.3383606386. The cubic root of 129808159 is about 506.3303926793.

The spelling of 129808159 in words is "one hundred twenty-nine million, eight hundred eight thousand, one hundred fifty-nine".