27135688 has 16 divisors (see below), whose sum is σ = 51493680. Its totient is φ = 13404048.

The previous prime is 27135679. The next prime is 27135721. The reversal of 27135688 is 88653172.

It is a self number, because there is not a number n which added to its sum of digits gives 27135688.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19770 + ... + 21097.

It is an arithmetic number, because the mean of its divisors is an integer number (3218355).

Almost surely, 2^27135688 is an apocalyptic number.

It is an amenable number.

27135688 is a deficient number, since it is larger than the sum of its proper divisors (24357992).

27135688 is a wasteful number, since it uses less digits than its factorization.

27135688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40956 (or 40952 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 27135688 is about 5209.1926437789. The cubic root of 27135688 is about 300.5017086419.

The spelling of 27135688 in words is "twenty-seven million, one hundred thirty-five thousand, six hundred eighty-eight".