1136169257 has 2 divisors, whose sum is σ = 1136169258. Its totient is φ = 1136169256.

The previous prime is 1136169241. The next prime is 1136169259. The reversal of 1136169257 is 7529616311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778354201 + 357815056 = 27899^2 + 18916^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136169257 - 2⁴ = 1136169241 is a prime.

Together with 1136169259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1136169259) 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, 568084628 + 568084629.

It is an arithmetic number, because the mean of its divisors is an integer number (568084629).

Almost surely, 2^1136169257 is an apocalyptic number.

It is an amenable number.

1136169257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136169257 is an equidigital number, since it uses as much as digits as its factorization.

1136169257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 1136169257 is about 33707.1098879747. The cubic root of 1136169257 is about 1043.4725077662.

The spelling of 1136169257 in words is "one billion, one hundred thirty-six million, one hundred sixty-nine thousand, two hundred fifty-seven".