129160509 has 8 divisors (see below), whose sum is σ = 182344320. Its totient is φ = 81041856.

The previous prime is 129160481. The next prime is 129160511. The reversal of 129160509 is 905061921.

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

It is not a de Polignac number, because 129160509 - 2²¹ = 127063357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129160509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129160529) 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 7 ways as a sum of consecutive naturals, for example, 1266229 + ... + 1266330.

It is an arithmetic number, because the mean of its divisors is an integer number (22793040).

Almost surely, 2^129160509 is an apocalyptic number.

It is an amenable number.

129160509 is a deficient number, since it is larger than the sum of its proper divisors (53183811).

129160509 is a wasteful number, since it uses less digits than its factorization.

129160509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532579.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 129160509 is about 11364.8805097106. The cubic root of 129160509 is about 505.4869126588.

The spelling of 129160509 in words is "one hundred twenty-nine million, one hundred sixty thousand, five hundred nine".