1139962459 has 2 divisors, whose sum is σ = 1139962460. Its totient is φ = 1139962458.

The previous prime is 1139962429. The next prime is 1139962469. The reversal of 1139962459 is 9542699311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1139962459 - 2⁹ = 1139961947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1139962429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569981229 + 569981230.

It is an arithmetic number, because the mean of its divisors is an integer number (569981230).

Almost surely, 2^1139962459 is an apocalyptic number.

1139962459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139962459 is an equidigital number, since it uses as much as digits as its factorization.

1139962459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 49.

The square root of 1139962459 is about 33763.3300934609. The cubic root of 1139962459 is about 1044.6324597439.

The spelling of 1139962459 in words is "one billion, one hundred thirty-nine million, nine hundred sixty-two thousand, four hundred fifty-nine".