239309149 has 2 divisors, whose sum is σ = 239309150. Its totient is φ = 239309148.

The previous prime is 239309137. The next prime is 239309159. The reversal of 239309149 is 941903932.

239309149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190937124 + 48372025 = 13818^2 + 6955^2 .

It is a cyclic number.

It is not a de Polignac number, because 239309149 - 2¹⁷ = 239178077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239309159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119654574 + 119654575.

It is an arithmetic number, because the mean of its divisors is an integer number (119654575).

Almost surely, 2^239309149 is an apocalyptic number.

It is an amenable number.

239309149 is a deficient number, since it is larger than the sum of its proper divisors (1).

239309149 is an equidigital number, since it uses as much as digits as its factorization.

239309149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 239309149 is about 15469.6201957256. The cubic root of 239309149 is about 620.8496407149.

The spelling of 239309149 in words is "two hundred thirty-nine million, three hundred nine thousand, one hundred forty-nine".