136824433 has 4 divisors (see below), whose sum is σ = 136869748. Its totient is φ = 136779120.

The previous prime is 136824341. The next prime is 136824439. The reversal of 136824433 is 334428631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334428631 = 4153 ⋅80527.

It can be written as a sum of positive squares in 2 ways, for example, as 136258929 + 565504 = 11673^2 + 752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136824433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136824439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17778 + ... + 24283.

It is an arithmetic number, because the mean of its divisors is an integer number (34217437).

Almost surely, 2^136824433 is an apocalyptic number.

It is an amenable number.

136824433 is a deficient number, since it is larger than the sum of its proper divisors (45315).

136824433 is an equidigital number, since it uses as much as digits as its factorization.

136824433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45314.

The product of its digits is 41472, while the sum is 34.

The square root of 136824433 is about 11697.1976558490. The cubic root of 136824433 is about 515.2933672735.

The spelling of 136824433 in words is "one hundred thirty-six million, eight hundred twenty-four thousand, four hundred thirty-three".