136811 has 2 divisors, whose sum is σ = 136812. Its totient is φ = 136810.

The previous prime is 136777. The next prime is 136813. The reversal of 136811 is 118631.

136811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136811 - 2¹⁰ = 135787 is a prime.

Together with 136813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68405 + 68406.

It is an arithmetic number, because the mean of its divisors is an integer number (68406).

2¹³⁶⁸¹¹ is an apocalyptic number.

136811 is a deficient number, since it is larger than the sum of its proper divisors (1).

136811 is an equidigital number, since it uses as much as digits as its factorization.

136811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 20.

The square root of 136811 is about 369.8797101762. The cubic root of 136811 is about 51.5276503418.

The spelling of 136811 in words is "one hundred thirty-six thousand, eight hundred eleven".