136836243 has 16 divisors (see below), whose sum is σ = 203689600. Its totient is φ = 90788040.

The previous prime is 136836211. The next prime is 136836257. The reversal of 136836243 is 342638631.

136836243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136836243 - 2⁵ = 136836211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136836198 and 136836207.

It is not an unprimeable number, because it can be changed into a prime (136836283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6313 + ... + 17706.

It is an arithmetic number, because the mean of its divisors is an integer number (12730600).

Almost surely, 2^136836243 is an apocalyptic number.

136836243 is a deficient number, since it is larger than the sum of its proper divisors (66853357).

136836243 is a wasteful number, since it uses less digits than its factorization.

136836243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24239 (or 24233 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 136836243 is about 11697.7024667240. The cubic root of 136836243 is about 515.3081926948.

The spelling of 136836243 in words is "one hundred thirty-six million, eight hundred thirty-six thousand, two hundred forty-three".