130309189 has 2 divisors, whose sum is σ = 130309190. Its totient is φ = 130309188.

The previous prime is 130309181. The next prime is 130309217. The reversal of 130309189 is 981903031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92486689 + 37822500 = 9617^2 + 6150^2 .

It is a cyclic number.

It is not a de Polignac number, because 130309189 - 2³ = 130309181 is a prime.

It is equal to p_7394650 and since 130309189 and 7394650 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130309181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65154594 + 65154595.

It is an arithmetic number, because the mean of its divisors is an integer number (65154595).

Almost surely, 2^130309189 is an apocalyptic number.

It is an amenable number.

130309189 is a deficient number, since it is larger than the sum of its proper divisors (1).

130309189 is an equidigital number, since it uses as much as digits as its factorization.

130309189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 130309189 is about 11415.3050331561. The cubic root of 130309189 is about 506.9809964257.

The spelling of 130309189 in words is "one hundred thirty million, three hundred nine thousand, one hundred eighty-nine".