136339 has 4 divisors (see below), whose sum is σ = 155824. Its totient is φ = 116856.

The previous prime is 136337. The next prime is 136343. The reversal of 136339 is 933631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933631 = 233 ⋅4007.

It is a cyclic number.

It is not a de Polignac number, because 136339 - 2¹ = 136337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9732 + ... + 9745.

It is an arithmetic number, because the mean of its divisors is an integer number (38956).

2¹³⁶³³⁹ is an apocalyptic number.

136339 is a deficient number, since it is larger than the sum of its proper divisors (19485).

136339 is an equidigital number, since it uses as much as digits as its factorization.

136339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19484.

The product of its digits is 1458, while the sum is 25.

The square root of 136339 is about 369.2411136371. The cubic root of 136339 is about 51.4683250097.

The spelling of 136339 in words is "one hundred thirty-six thousand, three hundred thirty-nine".