130520456 has 16 divisors (see below), whose sum is σ = 266973840. Its totient is φ = 59327440.

The previous prime is 130520431. The next prime is 130520459. The reversal of 130520456 is 654025031.

It is not an unprimeable number, because it can be changed into a prime (130520459) 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, 741506 + ... + 741681.

It is an arithmetic number, because the mean of its divisors is an integer number (16685865).

Almost surely, 2^130520456 is an apocalyptic number.

It is an amenable number.

130520456 is an abundant number, since it is smaller than the sum of its proper divisors (136453384).

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

130520456 is a wasteful number, since it uses less digits than its factorization.

130520456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483204 (or 1483200 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 130520456 is about 11424.5549585093. The cubic root of 130520456 is about 507.2548336561.

Adding to 130520456 its reverse (654025031), we get a palindrome (784545487).

The spelling of 130520456 in words is "one hundred thirty million, five hundred twenty thousand, four hundred fifty-six".