130590781 has 16 divisors (see below), whose sum is σ = 143519040. Its totient is φ = 118385280.

The previous prime is 130590763. The next prime is 130590791. The reversal of 130590781 is 187095031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130590781 - 2⁵ = 130590749 is a prime.

It is a super-2 number, since 2×130590781² = 34107904164379922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130590721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39706 + ... + 42868.

It is an arithmetic number, because the mean of its divisors is an integer number (8969940).

Almost surely, 2^130590781 is an apocalyptic number.

It is an amenable number.

130590781 is a deficient number, since it is larger than the sum of its proper divisors (12928259).

130590781 is a wasteful number, since it uses less digits than its factorization.

130590781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 130590781 is about 11427.6323444535. The cubic root of 130590781 is about 507.3459210160.

The spelling of 130590781 in words is "one hundred thirty million, five hundred ninety thousand, seven hundred eighty-one".