1135927109 has 2 divisors, whose sum is σ = 1135927110. Its totient is φ = 1135927108.

The previous prime is 1135927049. The next prime is 1135927139. The reversal of 1135927109 is 9017295311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 921304609 + 214622500 = 30353^2 + 14650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135927109 - 2²⁰ = 1134878533 is a prime.

It is a super-2 number, since 2×1135927109² = 2580660793922195762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135927139) 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, 567963554 + 567963555.

It is an arithmetic number, because the mean of its divisors is an integer number (567963555).

Almost surely, 2^1135927109 is an apocalyptic number.

It is an amenable number.

1135927109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135927109 is an equidigital number, since it uses as much as digits as its factorization.

1135927109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 1135927109 is about 33703.5177540861. The cubic root of 1135927109 is about 1043.3983718831.

The spelling of 1135927109 in words is "one billion, one hundred thirty-five million, nine hundred twenty-seven thousand, one hundred nine".