130440508456 has 16 divisors (see below), whose sum is σ = 250541221140. Its totient is φ = 63629516160.

The previous prime is 130440508441. The next prime is 130440508459. The reversal of 130440508456 is 654805044031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103469015556 + 26971492900 = 321666^2 + 164230^2 .

It is not an unprimeable number, because it can be changed into a prime (130440508459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198841911 + ... + 198842566.

Almost surely, 2^130440508456 is an apocalyptic number.

It is an amenable number.

130440508456 is a deficient number, since it is larger than the sum of its proper divisors (120100712684).

130440508456 is a wasteful number, since it uses less digits than its factorization.

130440508456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397684524 (or 397684520 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 130440508456 in words is "one hundred thirty billion, four hundred forty million, five hundred eight thousand, four hundred fifty-six".