135127218 has 8 divisors (see below), whose sum is σ = 270254448. Its totient is φ = 45042404.

The previous prime is 135127217. The next prime is 135127243. The reversal of 135127218 is 812721531.

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

135127218 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (135127217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11260596 + ... + 11260607.

It is an arithmetic number, because the mean of its divisors is an integer number (33781806).

Almost surely, 2^135127218 is an apocalyptic number.

135127218 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.

135127218 is a wasteful number, since it uses less digits than its factorization.

135127218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22521208.

The product of its digits is 3360, while the sum is 30.

The square root of 135127218 is about 11624.4233405361. The cubic root of 135127218 is about 513.1538739456.

Adding to 135127218 its reverse (812721531), we get a palindrome (947848749).

The spelling of 135127218 in words is "one hundred thirty-five million, one hundred twenty-seven thousand, two hundred eighteen".