1136431393 has 2 divisors, whose sum is σ = 1136431394. Its totient is φ = 1136431392.

The previous prime is 1136431379. The next prime is 1136431423. The reversal of 1136431393 is 3931346311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092434704 + 43996689 = 33052^2 + 6633^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136431393 - 2⁹ = 1136430881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1136431333) 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, 568215696 + 568215697.

It is an arithmetic number, because the mean of its divisors is an integer number (568215697).

Almost surely, 2^1136431393 is an apocalyptic number.

It is an amenable number.

1136431393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136431393 is an equidigital number, since it uses as much as digits as its factorization.

1136431393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17496, while the sum is 34.

The square root of 1136431393 is about 33710.9981015098. The cubic root of 1136431393 is about 1043.5527512903.

The spelling of 1136431393 in words is "one billion, one hundred thirty-six million, four hundred thirty-one thousand, three hundred ninety-three".