130189 has 4 divisors (see below), whose sum is σ = 131580. Its totient is φ = 128800.

The previous prime is 130183. The next prime is 130199. The reversal of 130189 is 981031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 981031 = 47 ⋅20873.

It can be written as a sum of positive squares in 2 ways, for example, as 116964 + 13225 = 342^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 130189 - 2¹³ = 121997 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130183) 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, 544 + ... + 745.

It is an arithmetic number, because the mean of its divisors is an integer number (32895).

2¹³⁰¹⁸⁹ is an apocalyptic number.

It is an amenable number.

130189 is a deficient number, since it is larger than the sum of its proper divisors (1391).

130189 is a wasteful number, since it uses less digits than its factorization.

130189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 130189 is about 360.8171281965. The cubic root of 130189 is about 50.6825079352.

The spelling of 130189 in words is "one hundred thirty thousand, one hundred eighty-nine".