130251444 has 12 divisors (see below), whose sum is σ = 303920064. Its totient is φ = 43417144.

The previous prime is 130251389. The next prime is 130251449. The reversal of 130251444 is 444152031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130251449) 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, 5427132 + ... + 5427155.

It is an arithmetic number, because the mean of its divisors is an integer number (25326672).

Almost surely, 2^130251444 is an apocalyptic number.

It is an amenable number.

130251444 is an abundant number, since it is smaller than the sum of its proper divisors (173668620).

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

130251444 is a wasteful number, since it uses less digits than its factorization.

130251444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854294 (or 10854292 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 130251444 is about 11412.7754731266. The cubic root of 130251444 is about 506.9060977858.

The spelling of 130251444 in words is "one hundred thirty million, two hundred fifty-one thousand, four hundred forty-four".