1138885459 has 2 divisors, whose sum is σ = 1138885460. Its totient is φ = 1138885458.

The previous prime is 1138885427. The next prime is 1138885499. The reversal of 1138885459 is 9545888311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1138885459 - 2⁵ = 1138885427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1138885499) 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, 569442729 + 569442730.

It is an arithmetic number, because the mean of its divisors is an integer number (569442730).

Almost surely, 2^1138885459 is an apocalyptic number.

1138885459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138885459 is an equidigital number, since it uses as much as digits as its factorization.

1138885459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1382400, while the sum is 52.

The square root of 1138885459 is about 33747.3770684479. The cubic root of 1138885459 is about 1044.3033776629.

The spelling of 1138885459 in words is "one billion, one hundred thirty-eight million, eight hundred eighty-five thousand, four hundred fifty-nine".