130544144 has 10 divisors (see below), whose sum is σ = 252929310. Its totient is φ = 65272064.

The previous prime is 130544047. The next prime is 130544171. The reversal of 130544144 is 441445031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 113635600 + 16908544 = 10660^2 + 4112^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4079489 + ... + 4079520.

It is an arithmetic number, because the mean of its divisors is an integer number (25292931).

Almost surely, 2^130544144 is an apocalyptic number.

It is an amenable number.

130544144 is a deficient number, since it is larger than the sum of its proper divisors (122385166).

130544144 is an equidigital number, since it uses as much as digits as its factorization.

130544144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8159017 (or 8159011 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 130544144 is about 11425.5916258196. The cubic root of 130544144 is about 507.2855188223.

Adding to 130544144 its reverse (441445031), we get a palindrome (571989175).

The spelling of 130544144 in words is "one hundred thirty million, five hundred forty-four thousand, one hundred forty-four".