130810081 has 4 divisors (see below), whose sum is σ = 130882752. Its totient is φ = 130737412.

The previous prime is 130810037. The next prime is 130810093. The reversal of 130810081 is 180018031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130810081 - 2¹⁷ = 130679009 is a prime.

It is a super-2 number, since 2×130810081² = 34222554582453122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130810481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33565 + ... + 37258.

It is an arithmetic number, because the mean of its divisors is an integer number (32720688).

Almost surely, 2^130810081 is an apocalyptic number.

It is an amenable number.

130810081 is a deficient number, since it is larger than the sum of its proper divisors (72671).

130810081 is an equidigital number, since it uses as much as digits as its factorization.

130810081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72670.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 130810081 is about 11437.2234829962. The cubic root of 130810081 is about 507.6297561070.

The spelling of 130810081 in words is "one hundred thirty million, eight hundred ten thousand, eighty-one".