136246223 has 2 divisors, whose sum is σ = 136246224. Its totient is φ = 136246222.

The previous prime is 136246219. The next prime is 136246249. The reversal of 136246223 is 322642631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136246223 - 2² = 136246219 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136246423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68123111 + 68123112.

It is an arithmetic number, because the mean of its divisors is an integer number (68123112).

Almost surely, 2^136246223 is an apocalyptic number.

136246223 is a deficient number, since it is larger than the sum of its proper divisors (1).

136246223 is an equidigital number, since it uses as much as digits as its factorization.

136246223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 136246223 is about 11672.4557399032. The cubic root of 136246223 is about 514.5664784148.

Adding to 136246223 its reverse (322642631), we get a palindrome (458888854).

The spelling of 136246223 in words is "one hundred thirty-six million, two hundred forty-six thousand, two hundred twenty-three".