27138483 has 16 divisors (see below), whose sum is σ = 40704800. Its totient is φ = 18090864.

The previous prime is 27138481. The next prime is 27138487. The reversal of 27138483 is 38483172.

27138483 is a `hidden beast` number, since 271 + 384 + 8 + 3 = 666.

It is not a de Polignac number, because 27138483 - 2¹ = 27138481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27138481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4018 + ... + 8391.

It is an arithmetic number, because the mean of its divisors is an integer number (2544050).

Almost surely, 2^27138483 is an apocalyptic number.

27138483 is a deficient number, since it is larger than the sum of its proper divisors (13566317).

27138483 is an frugal number, since it uses more digits than its factorization.

27138483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12430 (or 12412 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 27138483 is about 5209.4609126089. The cubic root of 27138483 is about 300.5120256021.

The spelling of 27138483 in words is "twenty-seven million, one hundred thirty-eight thousand, four hundred eighty-three".