136500263 has 2 divisors, whose sum is σ = 136500264. Its totient is φ = 136500262.

The previous prime is 136500257. The next prime is 136500277. The reversal of 136500263 is 362005631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136500263 - 2¹² = 136496167 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 (136500233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68250131 + 68250132.

It is an arithmetic number, because the mean of its divisors is an integer number (68250132).

Almost surely, 2^136500263 is an apocalyptic number.

136500263 is a deficient number, since it is larger than the sum of its proper divisors (1).

136500263 is an equidigital number, since it uses as much as digits as its factorization.

136500263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 136500263 is about 11683.3327009035. The cubic root of 136500263 is about 514.8860941412.

Adding to 136500263 its reverse (362005631), we get a palindrome (498505894).

The spelling of 136500263 in words is "one hundred thirty-six million, five hundred thousand, two hundred sixty-three".