1366274089 has 2 divisors, whose sum is σ = 1366274090. Its totient is φ = 1366274088.

The previous prime is 1366274069. The next prime is 1366274093. The reversal of 1366274089 is 9804726631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024320025 + 341954064 = 32005^2 + 18492^2 .

It is a cyclic number.

It is not a de Polignac number, because 1366274089 - 2⁵ = 1366274057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1366274029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683137044 + 683137045.

It is an arithmetic number, because the mean of its divisors is an integer number (683137045).

Almost surely, 2^1366274089 is an apocalyptic number.

It is an amenable number.

1366274089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366274089 is an equidigital number, since it uses as much as digits as its factorization.

1366274089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1366274089 is about 36963.1450095903. The cubic root of 1366274089 is about 1109.6327787231.

The spelling of 1366274089 in words is "one billion, three hundred sixty-six million, two hundred seventy-four thousand, eighty-nine".