130505759 has 4 divisors (see below), whose sum is σ = 130755816. Its totient is φ = 130255704.

The previous prime is 130505743. The next prime is 130505801. The reversal of 130505759 is 957505031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130505759 - 2⁴ = 130505743 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 (130505729) 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 3 ways as a sum of consecutive naturals, for example, 124244 + ... + 125289.

It is an arithmetic number, because the mean of its divisors is an integer number (32688954).

Almost surely, 2^130505759 is an apocalyptic number.

130505759 is a deficient number, since it is larger than the sum of its proper divisors (250057).

130505759 is an equidigital number, since it uses as much as digits as its factorization.

130505759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250056.

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 130505759 is about 11423.9117205973. The cubic root of 130505759 is about 507.2357934628.

The spelling of 130505759 in words is "one hundred thirty million, five hundred five thousand, seven hundred fifty-nine".