136843 has 8 divisors (see below), whose sum is σ = 158688. Its totient is φ = 115584.

The previous prime is 136841. The next prime is 136849. The reversal of 136843 is 348631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136843 - 2¹ = 136841 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 (136841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 877.

It is an arithmetic number, because the mean of its divisors is an integer number (19836).

2¹³⁶⁸⁴³ is an apocalyptic number.

136843 is a deficient number, since it is larger than the sum of its proper divisors (21845).

136843 is a wasteful number, since it uses less digits than its factorization.

136843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293.

The product of its digits is 1728, while the sum is 25.

The square root of 136843 is about 369.9229649535. The cubic root of 136843 is about 51.5316674561.

It can be divided in two parts, 136 and 843, that added together give a palindrome (979).

The spelling of 136843 in words is "one hundred thirty-six thousand, eight hundred forty-three".