130238149 has 2 divisors, whose sum is σ = 130238150. Its totient is φ = 130238148.

The previous prime is 130238131. The next prime is 130238177. The reversal of 130238149 is 941832031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101002500 + 29235649 = 10050^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 130238149 - 2¹⁷ = 130107077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130238149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130238249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65119074 + 65119075.

It is an arithmetic number, because the mean of its divisors is an integer number (65119075).

Almost surely, 2^130238149 is an apocalyptic number.

It is an amenable number.

130238149 is a deficient number, since it is larger than the sum of its proper divisors (1).

130238149 is an equidigital number, since it uses as much as digits as its factorization.

130238149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 130238149 is about 11412.1929969660. The cubic root of 130238149 is about 506.8888502588. Note that the first 4 decimals are identical.

The spelling of 130238149 in words is "one hundred thirty million, two hundred thirty-eight thousand, one hundred forty-nine".