130443344 has 10 divisors (see below), whose sum is σ = 252734010. Its totient is φ = 65221664.

The previous prime is 130443343. The next prime is 130443347. The reversal of 130443344 is 443344031.

130443344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 126787600 + 3655744 = 11260^2 + 1912^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130443343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4076339 + ... + 4076370.

It is an arithmetic number, because the mean of its divisors is an integer number (25273401).

Almost surely, 2^130443344 is an apocalyptic number.

It is an amenable number.

130443344 is a deficient number, since it is larger than the sum of its proper divisors (122290666).

130443344 is an equidigital number, since it uses as much as digits as its factorization.

130443344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152717 (or 8152711 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 130443344 is about 11421.1796238392. The cubic root of 130443344 is about 507.1549179248.

Adding to 130443344 its reverse (443344031), we get a palindrome (573787375).

The spelling of 130443344 in words is "one hundred thirty million, four hundred forty-three thousand, three hundred forty-four".