27138996 has 24 divisors (see below), whose sum is σ = 70360640. Its totient is φ = 9046296.

The previous prime is 27138971. The next prime is 27139033. The reversal of 27138996 is 69983172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125536 + ... + 125751.

Almost surely, 2^27138996 is an apocalyptic number.

It is an amenable number.

27138996 is an abundant number, since it is smaller than the sum of its proper divisors (43221644).

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

27138996 is a wasteful number, since it uses less digits than its factorization.

27138996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251300 (or 251292 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 27138996 is about 5209.5101497166. The cubic root of 27138996 is about 300.5139191211.

The spelling of 27138996 in words is "twenty-seven million, one hundred thirty-eight thousand, nine hundred ninety-six".