1135315609 has 2 divisors, whose sum is σ = 1135315610. Its totient is φ = 1135315608.

The previous prime is 1135315579. The next prime is 1135315613. The reversal of 1135315609 is 9065135311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130842384 + 4473225 = 33628^2 + 2115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135315609 - 2⁷ = 1135315481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1135315619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567657804 + 567657805.

It is an arithmetic number, because the mean of its divisors is an integer number (567657805).

Almost surely, 2^1135315609 is an apocalyptic number.

It is an amenable number.

1135315609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135315609 is an equidigital number, since it uses as much as digits as its factorization.

1135315609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 1135315609 is about 33694.4447795182. Note that the first 3 decimals coincide. The cubic root of 1135315609 is about 1043.2111085090.

It can be divided in two parts, 11353 and 15609, that added together give a palindrome (26962).

The spelling of 1135315609 in words is "one billion, one hundred thirty-five million, three hundred fifteen thousand, six hundred nine".