136660226 has 4 divisors (see below), whose sum is σ = 204990342. Its totient is φ = 68330112.

The previous prime is 136660207. The next prime is 136660231. The reversal of 136660226 is 622066631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 106399225 + 30261001 = 10315^2 + 5501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136660192 and 136660201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34165055 + ... + 34165058.

Almost surely, 2^136660226 is an apocalyptic number.

136660226 is a deficient number, since it is larger than the sum of its proper divisors (68330116).

136660226 is an equidigital number, since it uses as much as digits as its factorization.

136660226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68330115.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 136660226 is about 11690.1764742881. The cubic root of 136660226 is about 515.0871452115.

The spelling of 136660226 in words is "one hundred thirty-six million, six hundred sixty thousand, two hundred twenty-six".