270357149 has 2 divisors, whose sum is σ = 270357150. Its totient is φ = 270357148.

The previous prime is 270357091. The next prime is 270357161. The reversal of 270357149 is 941753072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224700100 + 45657049 = 14990^2 + 6757^2 .

It is a cyclic number.

It is not a de Polignac number, because 270357149 - 2¹⁶ = 270291613 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 (270357349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135178574 + 135178575.

It is an arithmetic number, because the mean of its divisors is an integer number (135178575).

Almost surely, 2^270357149 is an apocalyptic number.

It is an amenable number.

270357149 is a deficient number, since it is larger than the sum of its proper divisors (1).

270357149 is an equidigital number, since it uses as much as digits as its factorization.

270357149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 270357149 is about 16442.5408316355. The cubic root of 270357149 is about 646.6152644810.

The spelling of 270357149 in words is "two hundred seventy million, three hundred fifty-seven thousand, one hundred forty-nine".