136224203 has 4 divisors (see below), whose sum is σ = 137948640. Its totient is φ = 134499768.

The previous prime is 136224157. The next prime is 136224211. The reversal of 136224203 is 302422631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302422631 = 7 ⋅43203233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136224203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136224103) 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, 862100 + ... + 862257.

It is an arithmetic number, because the mean of its divisors is an integer number (34487160).

Almost surely, 2^136224203 is an apocalyptic number.

136224203 is a deficient number, since it is larger than the sum of its proper divisors (1724437).

136224203 is an equidigital number, since it uses as much as digits as its factorization.

136224203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724436.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 136224203 is about 11671.5124555475. The cubic root of 136224203 is about 514.5387556540.

Adding to 136224203 its reverse (302422631), we get a palindrome (438646834).

The spelling of 136224203 in words is "one hundred thirty-six million, two hundred twenty-four thousand, two hundred three".