8130189 has 4 divisors (see below), whose sum is σ = 10840256. Its totient is φ = 5420124.

The previous prime is 8130169. The next prime is 8130191. The reversal of 8130189 is 9810318.

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 8130189 - 2¹² = 8126093 is a prime.

It is an Ulam 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 (8130149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355029 + ... + 1355034.

It is an arithmetic number, because the mean of its divisors is an integer number (2710064).

Almost surely, 2^8130189 is an apocalyptic number.

It is an amenable number.

8130189 is a deficient number, since it is larger than the sum of its proper divisors (2710067).

8130189 is a wasteful number, since it uses less digits than its factorization.

8130189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710066.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 8130189 is about 2851.3486282810. The cubic root of 8130189 is about 201.0790758393.

The spelling of 8130189 in words is "eight million, one hundred thirty thousand, one hundred eighty-nine".