130544442 has 24 divisors (see below), whose sum is σ = 323253216. Its totient is φ = 37298376.

The previous prime is 130544417. The next prime is 130544471. The reversal of 130544442 is 244445031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 517908 + ... + 518159.

It is an arithmetic number, because the mean of its divisors is an integer number (13468884).

Almost surely, 2^130544442 is an apocalyptic number.

130544442 is an abundant number, since it is smaller than the sum of its proper divisors (192708774).

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

130544442 is a wasteful number, since it uses less digits than its factorization.

130544442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036082 (or 1036079 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 130544442 is about 11425.6046667124. The cubic root of 130544442 is about 507.2859048245.

Adding to 130544442 its reverse (244445031), we get a palindrome (374989473).

The spelling of 130544442 in words is "one hundred thirty million, five hundred forty-four thousand, four hundred forty-two".