130056530 has 16 divisors (see below), whose sum is σ = 234448344. Its totient is φ = 51945600.

The previous prime is 130056529. The next prime is 130056557. The reversal of 130056530 is 35650031.

It can be written as a sum of positive squares in 4 ways, for example, as 97555129 + 32501401 = 9877^2 + 5701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130056496 and 130056505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267 + ... + 16286.

Almost surely, 2^130056530 is an apocalyptic number.

130056530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130056530 is a deficient number, since it is larger than the sum of its proper divisors (104391814).

130056530 is a wasteful number, since it uses less digits than its factorization.

130056530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19261.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 130056530 is about 11404.2329860451. The cubic root of 130056530 is about 506.6531193477.

The spelling of 130056530 in words is "one hundred thirty million, fifty-six thousand, five hundred thirty".