130137221444 has 24 divisors (see below), whose sum is σ = 233193074688. Its totient is φ = 63517859840.

The previous prime is 130137221443. The next prime is 130137221503. The reversal of 130137221444 is 444122731031.

It is a self number, because there is not a number n which added to its sum of digits gives 130137221444.

It is not an unprimeable number, because it can be changed into a prime (130137221443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831677 + ... + 975684.

It is an arithmetic number, because the mean of its divisors is an integer number (9716378112).

Almost surely, 2^130137221444 is an apocalyptic number.

It is an amenable number.

130137221444 is a deficient number, since it is larger than the sum of its proper divisors (103055853244).

130137221444 is a wasteful number, since it uses less digits than its factorization.

130137221444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807795 (or 1807793 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 130137221444 its reverse (444122731031), we get a palindrome (574259952475).

The spelling of 130137221444 in words is "one hundred thirty billion, one hundred thirty-seven million, two hundred twenty-one thousand, four hundred forty-four".