27138156 has 24 divisors (see below), whose sum is σ = 66655680. Its totient is φ = 8569872.

The previous prime is 27138151. The next prime is 27138157. The reversal of 27138156 is 65183172.

It is a super-2 number, since 2×27138156² = 1472959022160672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27138151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59286 + ... + 59741.

It is an arithmetic number, because the mean of its divisors is an integer number (2777320).

Almost surely, 2^27138156 is an apocalyptic number.

It is an amenable number.

27138156 is an abundant number, since it is smaller than the sum of its proper divisors (39517524).

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

27138156 is a wasteful number, since it uses less digits than its factorization.

27138156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119053 (or 119051 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 27138156 is about 5209.4295273091. The cubic root of 27138156 is about 300.5108186097.

The spelling of 27138156 in words is "twenty-seven million, one hundred thirty-eight thousand, one hundred fifty-six".