130187149 has 2 divisors, whose sum is σ = 130187150. Its totient is φ = 130187148.

The previous prime is 130187147. The next prime is 130187179. The reversal of 130187149 is 941781031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127916100 + 2271049 = 11310^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 130187149 - 2¹ = 130187147 is a prime.

Together with 130187147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130187143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65093574 + 65093575.

It is an arithmetic number, because the mean of its divisors is an integer number (65093575).

Almost surely, 2^130187149 is an apocalyptic number.

It is an amenable number.

130187149 is a deficient number, since it is larger than the sum of its proper divisors (1).

130187149 is an equidigital number, since it uses as much as digits as its factorization.

130187149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 130187149 is about 11409.9583259537. The cubic root of 130187149 is about 506.8226773628.

The spelling of 130187149 in words is "one hundred thirty million, one hundred eighty-seven thousand, one hundred forty-nine".