130818289 has 12 divisors (see below), whose sum is σ = 152453568. Its totient is φ = 111925800.

The previous prime is 130818283. The next prime is 130818301. The reversal of 130818289 is 982818031.

It is not a de Polignac number, because 130818289 - 2⁷ = 130818161 is a prime.

It is a super-2 number, since 2×130818289² = 34226849473775042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130818283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28804 + ... + 33034.

It is an arithmetic number, because the mean of its divisors is an integer number (12704464).

Almost surely, 2^130818289 is an apocalyptic number.

It is an amenable number.

130818289 is a deficient number, since it is larger than the sum of its proper divisors (21635279).

130818289 is an equidigital number, since it uses as much as digits as its factorization.

130818289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4876 (or 4869 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 130818289 is about 11437.5823057148. The cubic root of 130818289 is about 507.6403733771.

The spelling of 130818289 in words is "one hundred thirty million, eight hundred eighteen thousand, two hundred eighty-nine".