130968489 has 4 divisors (see below), whose sum is σ = 174624656. Its totient is φ = 87312324.

The previous prime is 130968457. The next prime is 130968529. The reversal of 130968489 is 984869031.

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 not a de Polignac number, because 130968489 - 2⁵ = 130968457 is a prime.

It is a super-2 number, since 2×130968489² = 34305490221886242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130968389) 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, 21828079 + ... + 21828084.

It is an arithmetic number, because the mean of its divisors is an integer number (43656164).

Almost surely, 2^130968489 is an apocalyptic number.

It is an amenable number.

130968489 is a deficient number, since it is larger than the sum of its proper divisors (43656167).

130968489 is an equidigital number, since it uses as much as digits as its factorization.

130968489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43656166.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 130968489 is about 11444.1464950428. The cubic root of 130968489 is about 507.8345827696.

The spelling of 130968489 in words is "one hundred thirty million, nine hundred sixty-eight thousand, four hundred eighty-nine".