130881 has 4 divisors (see below), whose sum is σ = 174512. Its totient is φ = 87252.

The previous prime is 130873. The next prime is 130927. The reversal of 130881 is 188031.

It is a happy number.

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 not a de Polignac number, because 130881 - 2³ = 130873 is a prime.

It is a super-2 number, since 2×130881² = 34259672322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130811) 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, 21811 + ... + 21816.

It is an arithmetic number, because the mean of its divisors is an integer number (43628).

2¹³⁰⁸⁸¹ is an apocalyptic number.

It is an amenable number.

130881 is a deficient number, since it is larger than the sum of its proper divisors (43631).

130881 is an equidigital number, since it uses as much as digits as its factorization.

130881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43630.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 130881 is about 361.7747918250. The cubic root of 130881 is about 50.7721477098.

The spelling of 130881 in words is "one hundred thirty thousand, eight hundred eighty-one".