135636143 has 2 divisors, whose sum is σ = 135636144. Its totient is φ = 135636142.

The previous prime is 135636139. The next prime is 135636173. The reversal of 135636143 is 341636531.

It is a weak prime.

It is an emirp because it is prime and its reverse (341636531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135636143 - 2² = 135636139 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 (135636173) 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, 67818071 + 67818072.

It is an arithmetic number, because the mean of its divisors is an integer number (67818072).

Almost surely, 2^135636143 is an apocalyptic number.

135636143 is a deficient number, since it is larger than the sum of its proper divisors (1).

135636143 is an equidigital number, since it uses as much as digits as its factorization.

135636143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 135636143 is about 11646.2931012404. The cubic root of 135636143 is about 513.7972914634.

The spelling of 135636143 in words is "one hundred thirty-five million, six hundred thirty-six thousand, one hundred forty-three".