130818944 has 64 divisors (see below), whose sum is σ = 279806400. Its totient is φ = 60702720.

The previous prime is 130818931. The next prime is 130818973. The reversal of 130818944 is 449818031.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×130818944² = 34227192218550272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130818898 and 130818907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171524 + ... + 172284.

It is an arithmetic number, because the mean of its divisors is an integer number (4371975).

Almost surely, 2^130818944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130818944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139903200).

130818944 is an abundant number, since it is smaller than the sum of its proper divisors (148987456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130818944 is an equidigital number, since it uses as much as digits as its factorization.

130818944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 130818944 is about 11437.6109393527. The cubic root of 130818944 is about 507.6412206182.

The spelling of 130818944 in words is "one hundred thirty million, eight hundred eighteen thousand, nine hundred forty-four".