135216168 has 16 divisors (see below), whose sum is σ = 338040480. Its totient is φ = 45072048.

The previous prime is 135216127. The next prime is 135216173. The reversal of 135216168 is 861612531.

It is an unprimeable number.

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, 2816980 + ... + 2817027.

It is an arithmetic number, because the mean of its divisors is an integer number (21127530).

Almost surely, 2^135216168 is an apocalyptic number.

It is an amenable number.

135216168 is an abundant number, since it is smaller than the sum of its proper divisors (202824312).

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

135216168 is a wasteful number, since it uses less digits than its factorization.

135216168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634016 (or 5634012 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 135216168 is about 11628.2487073506. The cubic root of 135216168 is about 513.2664469363.

Adding to 135216168 its reverse (861612531), we get a palindrome (996828699).

The spelling of 135216168 in words is "one hundred thirty-five million, two hundred sixteen thousand, one hundred sixty-eight".