136226663 has 2 divisors, whose sum is σ = 136226664. Its totient is φ = 136226662.

The previous prime is 136226647. The next prime is 136226669. The reversal of 136226663 is 366622631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136226663 - 2⁴ = 136226647 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136226669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68113331 + 68113332.

It is an arithmetic number, because the mean of its divisors is an integer number (68113332).

Almost surely, 2^136226663 is an apocalyptic number.

136226663 is a deficient number, since it is larger than the sum of its proper divisors (1).

136226663 is an equidigital number, since it uses as much as digits as its factorization.

136226663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 35.

The square root of 136226663 is about 11671.6178398712. The cubic root of 136226663 is about 514.5418528954.

The spelling of 136226663 in words is "one hundred thirty-six million, two hundred twenty-six thousand, six hundred sixty-three".