15135149 has 2 divisors, whose sum is σ = 15135150. Its totient is φ = 15135148.

The previous prime is 15135143. The next prime is 15135167. The reversal of 15135149 is 94153151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14115049 + 1020100 = 3757^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 15135149 - 2²⁰ = 14086573 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15135143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7567574 + 7567575.

It is an arithmetic number, because the mean of its divisors is an integer number (7567575).

Almost surely, 2^15135149 is an apocalyptic number.

It is an amenable number.

15135149 is a deficient number, since it is larger than the sum of its proper divisors (1).

15135149 is an equidigital number, since it uses as much as digits as its factorization.

15135149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 29.

The square root of 15135149 is about 3890.3918825743. The cubic root of 15135149 is about 247.3596742208.

The spelling of 15135149 in words is "fifteen million, one hundred thirty-five thousand, one hundred forty-nine".