136813847 has 2 divisors, whose sum is σ = 136813848. Its totient is φ = 136813846.

The previous prime is 136813811. The next prime is 136813849. The reversal of 136813847 is 748318631.

136813847 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 136813847 - 2⁶ = 136813783 is a prime.

Together with 136813849, 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 (136813849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68406923 + 68406924.

It is an arithmetic number, because the mean of its divisors is an integer number (68406924).

Almost surely, 2^136813847 is an apocalyptic number.

136813847 is a deficient number, since it is larger than the sum of its proper divisors (1).

136813847 is an equidigital number, since it uses as much as digits as its factorization.

136813847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 136813847 is about 11696.7451455522. The cubic root of 136813847 is about 515.2800776483.

The spelling of 136813847 in words is "one hundred thirty-six million, eight hundred thirteen thousand, eight hundred forty-seven".