136609266 has 8 divisors (see below), whose sum is σ = 273218544. Its totient is φ = 45536420.

The previous prime is 136609261. The next prime is 136609313. The reversal of 136609266 is 662906631.

It is a happy number.

136609266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

136609266 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (136609261) 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, 11384100 + ... + 11384111.

It is an arithmetic number, because the mean of its divisors is an integer number (34152318).

Almost surely, 2^136609266 is an apocalyptic number.

136609266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136609266 is a wasteful number, since it uses less digits than its factorization.

136609266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22768216.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 136609266 is about 11687.9966632439. The cubic root of 136609266 is about 515.0231126712.

The spelling of 136609266 in words is "one hundred thirty-six million, six hundred nine thousand, two hundred sixty-six".