136747223 has 2 divisors, whose sum is σ = 136747224. Its totient is φ = 136747222.

The previous prime is 136747159. The next prime is 136747243. The reversal of 136747223 is 322747631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136747223 - 2⁶ = 136747159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136747243) 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, 68373611 + 68373612.

It is an arithmetic number, because the mean of its divisors is an integer number (68373612).

Almost surely, 2^136747223 is an apocalyptic number.

136747223 is a deficient number, since it is larger than the sum of its proper divisors (1).

136747223 is an equidigital number, since it uses as much as digits as its factorization.

136747223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 35.

The square root of 136747223 is about 11693.8968269777. The cubic root of 136747223 is about 515.1964223880.

The spelling of 136747223 in words is "one hundred thirty-six million, seven hundred forty-seven thousand, two hundred twenty-three".