1366467139 has 2 divisors, whose sum is σ = 1366467140. Its totient is φ = 1366467138.

The previous prime is 1366467083. The next prime is 1366467149. The reversal of 1366467139 is 9317646631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1366467139 - 2⁹ = 1366466627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1366467149) 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, 683233569 + 683233570.

It is an arithmetic number, because the mean of its divisors is an integer number (683233570).

Almost surely, 2^1366467139 is an apocalyptic number.

1366467139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366467139 is an equidigital number, since it uses as much as digits as its factorization.

1366467139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 46.

The square root of 1366467139 is about 36965.7563022860. The cubic root of 1366467139 is about 1109.6850387396.

The spelling of 1366467139 in words is "one billion, three hundred sixty-six million, four hundred sixty-seven thousand, one hundred thirty-nine".