136746226 has 4 divisors (see below), whose sum is σ = 205119342. Its totient is φ = 68373112.

The previous prime is 136746221. The next prime is 136746229. The reversal of 136746226 is 622647631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 622647631 = 881 ⋅706751.

It can be written as a sum of positive squares in only one way, i.e., 132273001 + 4473225 = 11501^2 + 2115^2 .

It is not an unprimeable number, because it can be changed into a prime (136746221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34186555 + ... + 34186558.

Almost surely, 2^136746226 is an apocalyptic number.

136746226 is a deficient number, since it is larger than the sum of its proper divisors (68373116).

136746226 is an equidigital number, since it uses as much as digits as its factorization.

136746226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68373115.

The product of its digits is 72576, while the sum is 37.

The square root of 136746226 is about 11693.8541978255. The cubic root of 136746226 is about 515.1951703161.

It can be divided in two parts, 13674 and 6226, that added together give a triangular number (19900 = T₁₉₉).

The spelling of 136746226 in words is "one hundred thirty-six million, seven hundred forty-six thousand, two hundred twenty-six".