130305500 has 48 divisors (see below), whose sum is σ = 306493824. Its totient is φ = 48110400.

The previous prime is 130305499. The next prime is 130305517. The reversal of 130305500 is 5503031.

130305500 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

130305500 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3524 + ... + 16523.

It is an arithmetic number, because the mean of its divisors is an integer number (6385288).

Almost surely, 2^130305500 is an apocalyptic number.

130305500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130305500 is an abundant number, since it is smaller than the sum of its proper divisors (176188324).

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

130305500 is a wasteful number, since it uses less digits than its factorization.

130305500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20079 (or 20067 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 130305500 is about 11415.1434506974. The cubic root of 130305500 is about 506.9762122388.

Adding to 130305500 its reverse (5503031), we get a palindrome (135808531).

The spelling of 130305500 in words is "one hundred thirty million, three hundred five thousand, five hundred".