130744989 has 8 divisors (see below), whose sum is σ = 193696320. Its totient is φ = 87163308.

The previous prime is 130744979. The next prime is 130745033. The reversal of 130744989 is 989447031.

It is not a de Polignac number, because 130744989 - 2⁴ = 130744973 is a prime.

It is a super-2 number, since 2×130744989² = 34188504297220242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130744919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2421177 + ... + 2421230.

It is an arithmetic number, because the mean of its divisors is an integer number (24212040).

Almost surely, 2^130744989 is an apocalyptic number.

It is an amenable number.

130744989 is a deficient number, since it is larger than the sum of its proper divisors (62951331).

130744989 is an equidigital number, since it uses as much as digits as its factorization.

130744989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842416 (or 4842410 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 130744989 is about 11434.3775081987. The cubic root of 130744989 is about 507.5455421125.

The spelling of 130744989 in words is "one hundred thirty million, seven hundred forty-four thousand, nine hundred eighty-nine".