1136559197 has 2 divisors, whose sum is σ = 1136559198. Its totient is φ = 1136559196.

The previous prime is 1136559181. The next prime is 1136559199. The reversal of 1136559197 is 7919556311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 773618596 + 362940601 = 27814^2 + 19051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136559197 - 2⁴ = 1136559181 is a prime.

Together with 1136559199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136559199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568279598 + 568279599.

It is an arithmetic number, because the mean of its divisors is an integer number (568279599).

Almost surely, 2^1136559197 is an apocalyptic number.

It is an amenable number.

1136559197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136559197 is an equidigital number, since it uses as much as digits as its factorization.

1136559197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 255150, while the sum is 47.

The square root of 1136559197 is about 33712.8936313690. The cubic root of 1136559197 is about 1043.5918694214.

The spelling of 1136559197 in words is "one billion, one hundred thirty-six million, five hundred fifty-nine thousand, one hundred ninety-seven".