136783226 has 4 divisors (see below), whose sum is σ = 205174842. Its totient is φ = 68391612.

The previous prime is 136783217. The next prime is 136783249. The reversal of 136783226 is 622387631.

136783226 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 622387631 = 1597 ⋅389723.

It can be written as a sum of positive squares in only one way, i.e., 136773025 + 10201 = 11695^2 + 101^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136783226.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 34195805 + ... + 34195808.

Almost surely, 2^136783226 is an apocalyptic number.

136783226 is a deficient number, since it is larger than the sum of its proper divisors (68391616).

136783226 is an equidigital number, since it uses as much as digits as its factorization.

136783226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68391615.

The product of its digits is 72576, while the sum is 38.

The square root of 136783226 is about 11695.4361184182. The cubic root of 136783226 is about 515.2416322987.

The spelling of 136783226 in words is "one hundred thirty-six million, seven hundred eighty-three thousand, two hundred twenty-six".