130889944 has 16 divisors (see below), whose sum is σ = 247068000. Its totient is φ = 65005152.

The previous prime is 130889933. The next prime is 130889947. The reversal of 130889944 is 449988031.

It is a junction number, because it is equal to n+sod(n) for n = 130889894 and 130889903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130889947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53712 + ... + 56095.

It is an arithmetic number, because the mean of its divisors is an integer number (15441750).

Almost surely, 2^130889944 is an apocalyptic number.

It is an amenable number.

130889944 is a deficient number, since it is larger than the sum of its proper divisors (116178056).

130889944 is a wasteful number, since it uses less digits than its factorization.

130889944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109962 (or 109958 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 130889944 is about 11440.7143133635. The cubic root of 130889944 is about 507.7330422026.

It can be divided in two parts, 13088 and 9944, that added together give a palindrome (23032).

The spelling of 130889944 in words is "one hundred thirty million, eight hundred eighty-nine thousand, nine hundred forty-four".