1334491387 has 2 divisors, whose sum is σ = 1334491388. Its totient is φ = 1334491386.

The previous prime is 1334491343. The next prime is 1334491393. The reversal of 1334491387 is 7831944331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1334491387 - 2⁷ = 1334491259 is a prime.

It is not a weakly prime, because it can be changed into another prime (1334491307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 667245693 + 667245694.

It is an arithmetic number, because the mean of its divisors is an integer number (667245694).

Almost surely, 2^1334491387 is an apocalyptic number.

1334491387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1334491387 is an equidigital number, since it uses as much as digits as its factorization.

1334491387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 1334491387 is about 36530.6910282299. The cubic root of 1334491387 is about 1100.9609748355.

The spelling of 1334491387 in words is "one billion, three hundred thirty-four million, four hundred ninety-one thousand, three hundred eighty-seven".