129959703 has 6 divisors (see below), whose sum is σ = 187719584. Its totient is φ = 86639796.

The previous prime is 129959681. The next prime is 129959723. The reversal of 129959703 is 307959921.

It is a happy number.

It is not a de Polignac number, because 129959703 - 2¹⁰ = 129958679 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 (129959723) 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 5 ways as a sum of consecutive naturals, for example, 7219975 + ... + 7219992.

Almost surely, 2^129959703 is an apocalyptic number.

129959703 is a deficient number, since it is larger than the sum of its proper divisors (57759881).

129959703 is a wasteful number, since it uses less digits than its factorization.

129959703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439973 (or 14439970 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 45.

The square root of 129959703 is about 11399.9869736768. The cubic root of 129959703 is about 506.5273538284.

The spelling of 129959703 in words is "one hundred twenty-nine million, nine hundred fifty-nine thousand, seven hundred three".