136716859 has 2 divisors, whose sum is σ = 136716860. Its totient is φ = 136716858.

The previous prime is 136716857. The next prime is 136716863. The reversal of 136716859 is 958617631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136716859 - 2¹ = 136716857 is a prime.

It is a super-3 number, since 3×136716859³ (a number of 25 digits) contains 333 as substring.

Together with 136716857, 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 (136716857) 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, 68358429 + 68358430.

It is an arithmetic number, because the mean of its divisors is an integer number (68358430).

Almost surely, 2^136716859 is an apocalyptic number.

136716859 is a deficient number, since it is larger than the sum of its proper divisors (1).

136716859 is an equidigital number, since it uses as much as digits as its factorization.

136716859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 136716859 is about 11692.5984708276. The cubic root of 136716859 is about 515.1582873488.

The spelling of 136716859 in words is "one hundred thirty-six million, seven hundred sixteen thousand, eight hundred fifty-nine".