136803311 has 2 divisors, whose sum is σ = 136803312. Its totient is φ = 136803310.

The previous prime is 136803299. The next prime is 136803313. The reversal of 136803311 is 113308631.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (113308631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136803311 - 2¹⁴ = 136786927 is a prime.

Together with 136803313, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136803313) 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, 68401655 + 68401656.

It is an arithmetic number, because the mean of its divisors is an integer number (68401656).

Almost surely, 2^136803311 is an apocalyptic number.

136803311 is a deficient number, since it is larger than the sum of its proper divisors (1).

136803311 is an equidigital number, since it uses as much as digits as its factorization.

136803311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 136803311 is about 11696.2947551778. The cubic root of 136803311 is about 515.2668501123.

The spelling of 136803311 in words is "one hundred thirty-six million, eight hundred three thousand, three hundred eleven".