130530530 has 24 divisors (see below), whose sum is σ = 254421972. Its totient is φ = 48195264.

The previous prime is 130530493. The next prime is 130530541. The reversal of 130530530 is 35035031.

It can be written as a sum of positive squares in 6 ways, for example, as 410881 + 130119649 = 641^2 + 11407^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36929 + ... + 40308.

Almost surely, 2^130530530 is an apocalyptic number.

130530530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130530530 is a deficient number, since it is larger than the sum of its proper divisors (123891442).

130530530 is a wasteful number, since it uses less digits than its factorization.

130530530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77270 (or 77257 counting only the distinct ones).

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 130530530 is about 11424.9958424500. The cubic root of 130530530 is about 507.2678838550.

Adding to 130530530 its reverse (35035031), we get a palindrome (165565561).

The spelling of 130530530 in words is "one hundred thirty million, five hundred thirty thousand, five hundred thirty".