130820075 has 6 divisors (see below), whose sum is σ = 162216924. Its totient is φ = 104656040.

The previous prime is 130820071. The next prime is 130820087. The reversal of 130820075 is 570028031.

It is not a de Polignac number, because 130820075 - 2² = 130820071 is a prime.

It is a super-2 number, since 2×130820075² = 34227784046011250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130820071) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2616377 + ... + 2616426.

It is an arithmetic number, because the mean of its divisors is an integer number (27036154).

Almost surely, 2^130820075 is an apocalyptic number.

130820075 is a deficient number, since it is larger than the sum of its proper divisors (31396849).

130820075 is an equidigital number, since it uses as much as digits as its factorization.

130820075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232813 (or 5232808 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 130820075 is about 11437.6603813892. The cubic root of 130820075 is about 507.6426835576.

The spelling of 130820075 in words is "one hundred thirty million, eight hundred twenty thousand, seventy-five".