136072226 has 8 divisors (see below), whose sum is σ = 204222060. Its totient is φ = 67998208.

The previous prime is 136072213. The next prime is 136072229. The reversal of 136072226 is 622270631.

It is a Cunningham number, because it is equal to 11665²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 136072225 + 1 = 11665^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136072229) 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, 14231 + ... + 21786.

Almost surely, 2^136072226 is an apocalyptic number.

136072226 is a deficient number, since it is larger than the sum of its proper divisors (68149834).

136072226 is a wasteful number, since it uses less digits than its factorization.

136072226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37908.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 136072226 is about 11665.0000428633. Note that the first 4 decimals coincide. The cubic root of 136072226 is about 514.3473379934.

The spelling of 136072226 in words is "one hundred thirty-six million, seventy-two thousand, two hundred twenty-six".