130091 has 4 divisors (see below), whose sum is σ = 140112. Its totient is φ = 120072.

The previous prime is 130087. The next prime is 130099. The reversal of 130091 is 190031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130091 - 2² = 130087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130099) 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, 4991 + ... + 5016.

It is an arithmetic number, because the mean of its divisors is an integer number (35028).

2¹³⁰⁰⁹¹ is an apocalyptic number.

130091 is a deficient number, since it is larger than the sum of its proper divisors (10021).

130091 is a wasteful number, since it uses less digits than its factorization.

130091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 130091 is about 360.6812997648. The cubic root of 130091 is about 50.6697876271.

The spelling of 130091 in words is "one hundred thirty thousand, ninety-one".