136647066 has 8 divisors (see below), whose sum is σ = 273294144. Its totient is φ = 45549020.

The previous prime is 136647059. The next prime is 136647067. The reversal of 136647066 is 660746631.

It is a happy number.

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

136647066 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (136647067) 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, 11387250 + ... + 11387261.

It is an arithmetic number, because the mean of its divisors is an integer number (34161768).

Almost surely, 2^136647066 is an apocalyptic number.

136647066 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.

136647066 is a wasteful number, since it uses less digits than its factorization.

136647066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22774516.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 136647066 is about 11689.6135949825. The cubic root of 136647066 is about 515.0706108605.

The spelling of 136647066 in words is "one hundred thirty-six million, six hundred forty-seven thousand, sixty-six".