27139964 has 12 divisors (see below), whose sum is σ = 47562984. Its totient is φ = 13550544.

The previous prime is 27139951. The next prime is 27139967. The reversal of 27139964 is 46993172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27139967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454 + ... + 7509.

It is an arithmetic number, because the mean of its divisors is an integer number (3963582).

Almost surely, 2^27139964 is an apocalyptic number.

It is an amenable number.

27139964 is a deficient number, since it is larger than the sum of its proper divisors (20423020).

27139964 is a wasteful number, since it uses less digits than its factorization.

27139964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9724 (or 9722 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 27139964 is about 5209.6030558959. The cubic root of 27139964 is about 300.5174920120.

The spelling of 27139964 in words is "twenty-seven million, one hundred thirty-nine thousand, nine hundred sixty-four".