130636189 has 2 divisors, whose sum is σ = 130636190. Its totient is φ = 130636188.

The previous prime is 130636133. The next prime is 130636199. The reversal of 130636189 is 981636031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69139225 + 61496964 = 8315^2 + 7842^2 .

It is a cyclic number.

It is not a de Polignac number, because 130636189 - 2¹⁷ = 130505117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130636199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65318094 + 65318095.

It is an arithmetic number, because the mean of its divisors is an integer number (65318095).

Almost surely, 2^130636189 is an apocalyptic number.

It is an amenable number.

130636189 is a deficient number, since it is larger than the sum of its proper divisors (1).

130636189 is an equidigital number, since it uses as much as digits as its factorization.

130636189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 130636189 is about 11429.6189350302. The cubic root of 130636189 is about 507.4047176471.

The spelling of 130636189 in words is "one hundred thirty million, six hundred thirty-six thousand, one hundred eighty-nine".