1364840089 has 2 divisors, whose sum is σ = 1364840090. Its totient is φ = 1364840088.

The previous prime is 1364840063. The next prime is 1364840101. The reversal of 1364840089 is 9800484631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1359175689 + 5664400 = 36867^2 + 2380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1364840089 - 2¹⁹ = 1364315801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1364840989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682420044 + 682420045.

It is an arithmetic number, because the mean of its divisors is an integer number (682420045).

Almost surely, 2^1364840089 is an apocalyptic number.

It is an amenable number.

1364840089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1364840089 is an equidigital number, since it uses as much as digits as its factorization.

1364840089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1364840089 is about 36943.7422170521. The cubic root of 1364840089 is about 1109.2444304800.

The spelling of 1364840089 in words is "one billion, three hundred sixty-four million, eight hundred forty thousand, eighty-nine".