136563611 has 2 divisors, whose sum is σ = 136563612. Its totient is φ = 136563610.

The previous prime is 136563607. The next prime is 136563613. The reversal of 136563611 is 116365631.

136563611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136563611 - 2² = 136563607 is a prime.

Together with 136563613, 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 (136563613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68281805 + 68281806.

It is an arithmetic number, because the mean of its divisors is an integer number (68281806).

Almost surely, 2^136563611 is an apocalyptic number.

136563611 is a deficient number, since it is larger than the sum of its proper divisors (1).

136563611 is an equidigital number, since it uses as much as digits as its factorization.

136563611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 136563611 is about 11686.0434279529. The cubic root of 136563611 is about 514.9657324734.

The spelling of 136563611 in words is "one hundred thirty-six million, five hundred sixty-three thousand, six hundred eleven".