136082839 has 4 divisors (see below), whose sum is σ = 140472640. Its totient is φ = 131693040.

The previous prime is 136082827. The next prime is 136082867. The reversal of 136082839 is 938280631.

136082839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938280631 = 89 ⋅10542479.

It is a cyclic number.

It is not a de Polignac number, because 136082839 - 2⁹ = 136082327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136082339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2194854 + ... + 2194915.

It is an arithmetic number, because the mean of its divisors is an integer number (35118160).

Almost surely, 2^136082839 is an apocalyptic number.

136082839 is a deficient number, since it is larger than the sum of its proper divisors (4389801).

136082839 is an equidigital number, since it uses as much as digits as its factorization.

136082839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389800.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 136082839 is about 11665.4549418357. The cubic root of 136082839 is about 514.3607098782.

Subtracting from 136082839 its product of nonzero digits (62208), we obtain a palindrome (136020631).

The spelling of 136082839 in words is "one hundred thirty-six million, eighty-two thousand, eight hundred thirty-nine".