365138149 has 2 divisors, whose sum is σ = 365138150. Its totient is φ = 365138148.

The previous prime is 365138113. The next prime is 365138153. The reversal of 365138149 is 941831563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336172225 + 28965924 = 18335^2 + 5382^2 .

It is an emirp because it is prime and its reverse (941831563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 365138149 - 2⁷ = 365138021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (365138849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182569074 + 182569075.

It is an arithmetic number, because the mean of its divisors is an integer number (182569075).

Almost surely, 2^365138149 is an apocalyptic number.

It is an amenable number.

365138149 is a deficient number, since it is larger than the sum of its proper divisors (1).

365138149 is an equidigital number, since it uses as much as digits as its factorization.

365138149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 365138149 is about 19108.5883570713. The cubic root of 365138149 is about 714.7471021094.

The spelling of 365138149 in words is "three hundred sixty-five million, one hundred thirty-eight thousand, one hundred forty-nine".