13143149 has 2 divisors, whose sum is σ = 13143150. Its totient is φ = 13143148.

The previous prime is 13143089. The next prime is 13143167. The reversal of 13143149 is 94134131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 6538249 = 2570^2 + 2557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13143149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13143749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571574 + 6571575.

It is an arithmetic number, because the mean of its divisors is an integer number (6571575).

Almost surely, 2^13143149 is an apocalyptic number.

It is an amenable number.

13143149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143149 is an equidigital number, since it uses as much as digits as its factorization.

13143149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 13143149 is about 3625.3481212154. The cubic root of 13143149 is about 235.9933745626.

The spelling of 13143149 in words is "thirteen million, one hundred forty-three thousand, one hundred forty-nine".