136530066 has 8 divisors (see below), whose sum is σ = 273060144. Its totient is φ = 45510020.

The previous prime is 136530061. The next prime is 136530073. The reversal of 136530066 is 660035631.

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

136530066 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136530061) 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, 11377500 + ... + 11377511.

It is an arithmetic number, because the mean of its divisors is an integer number (34132518).

Almost surely, 2^136530066 is an apocalyptic number.

136530066 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.

136530066 is a wasteful number, since it uses less digits than its factorization.

136530066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22755016.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 136530066 is about 11684.6080807188. The cubic root of 136530066 is about 514.9235642365.

Adding to 136530066 its reverse (660035631), we get a palindrome (796565697).

The spelling of 136530066 in words is "one hundred thirty-six million, five hundred thirty thousand, sixty-six".