136247563 has 2 divisors, whose sum is σ = 136247564. Its totient is φ = 136247562.

The previous prime is 136247549. The next prime is 136247567. The reversal of 136247563 is 365742631.

136247563 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 a de Polignac number, because none of the positive numbers 2^k-136247563 is a prime.

It is not a weakly prime, because it can be changed into another prime (136247567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68123781 + 68123782.

It is an arithmetic number, because the mean of its divisors is an integer number (68123782).

Almost surely, 2^136247563 is an apocalyptic number.

136247563 is a deficient number, since it is larger than the sum of its proper divisors (1).

136247563 is an equidigital number, since it uses as much as digits as its factorization.

136247563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 136247563 is about 11672.5131398512. The cubic root of 136247563 is about 514.5681653529.

The spelling of 136247563 in words is "one hundred thirty-six million, two hundred forty-seven thousand, five hundred sixty-three".