27157138 has 8 divisors (see below), whose sum is σ = 40758588. Its totient is φ = 13570944.

The previous prime is 27157127. The next prime is 27157153. The reversal of 27157138 is 83175172.

It can be written as a sum of positive squares in 2 ways, for example, as 26553409 + 603729 = 5153^2 + 777^2 .

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

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, 3270 + ... + 8062.

Almost surely, 2^27157138 is an apocalyptic number.

27157138 is a deficient number, since it is larger than the sum of its proper divisors (13601450).

27157138 is a wasteful number, since it uses less digits than its factorization.

27157138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628.

The product of its digits is 11760, while the sum is 34.

The square root of 27157138 is about 5211.2510973853. The cubic root of 27157138 is about 300.5808671778.

The spelling of 27157138 in words is "twenty-seven million, one hundred fifty-seven thousand, one hundred thirty-eight".