130599509 has 4 divisors (see below), whose sum is σ = 132813120. Its totient is φ = 128385900.

The previous prime is 130599503. The next prime is 130599517. The reversal of 130599509 is 905995031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130599509 - 2⁴ = 130599493 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 (130599503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106717 + ... + 1106834.

It is an arithmetic number, because the mean of its divisors is an integer number (33203280).

Almost surely, 2^130599509 is an apocalyptic number.

It is an amenable number.

130599509 is a deficient number, since it is larger than the sum of its proper divisors (2213611).

130599509 is an equidigital number, since it uses as much as digits as its factorization.

130599509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213610.

The product of its (nonzero) digits is 54675, while the sum is 41.

The square root of 130599509 is about 11428.0142194521. The cubic root of 130599509 is about 507.3572235406.

The spelling of 130599509 in words is "one hundred thirty million, five hundred ninety-nine thousand, five hundred nine".