1136390459 has 2 divisors, whose sum is σ = 1136390460. Its totient is φ = 1136390458.

The previous prime is 1136390419. The next prime is 1136390503. The reversal of 1136390459 is 9540936311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1136390459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1136390419) 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, 568195229 + 568195230.

It is an arithmetic number, because the mean of its divisors is an integer number (568195230).

Almost surely, 2^1136390459 is an apocalyptic number.

1136390459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136390459 is an equidigital number, since it uses as much as digits as its factorization.

1136390459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 1136390459 is about 33710.3909648049. The cubic root of 1136390459 is about 1043.5402216291.

The spelling of 1136390459 in words is "one billion, one hundred thirty-six million, three hundred ninety thousand, four hundred fifty-nine".