136783 has 4 divisors (see below), whose sum is σ = 140008. Its totient is φ = 133560.

The previous prime is 136777. The next prime is 136811. The reversal of 136783 is 387631.

136783 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.

It is a cyclic number.

It is not a de Polignac number, because 136783 - 2⁵ = 136751 is a prime.

136783 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136733) 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, 1548 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (35002).

2¹³⁶⁷⁸³ is an apocalyptic number.

136783 is a deficient number, since it is larger than the sum of its proper divisors (3225).

136783 is an equidigital number, since it uses as much as digits as its factorization.

136783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224.

The product of its digits is 3024, while the sum is 28.

The square root of 136783 is about 369.8418580961. The cubic root of 136783 is about 51.5241348529.

It can be divided in two parts, 136 and 783, that added together give a palindrome (919).

The spelling of 136783 in words is "one hundred thirty-six thousand, seven hundred eighty-three".