27945135 has 32 divisors (see below), whose sum is σ = 49913280. Its totient is φ = 14834304.

The previous prime is 27945121. The next prime is 27945179. The reversal of 27945135 is 53154972.

It is not a de Polignac number, because 27945135 - 2⁷ = 27945007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27945135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42469 + ... + 43121.

It is an arithmetic number, because the mean of its divisors is an integer number (1559790).

Almost surely, 2^27945135 is an apocalyptic number.

27945135 is a deficient number, since it is larger than the sum of its proper divisors (21968145).

27945135 is a wasteful number, since it uses less digits than its factorization.

27945135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 978 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 27945135 is about 5286.3158248444. The cubic root of 27945135 is about 303.4604312474.

The spelling of 27945135 in words is "twenty-seven million, nine hundred forty-five thousand, one hundred thirty-five".