27435138 has 8 divisors (see below), whose sum is σ = 54870288. Its totient is φ = 9145044.

The previous prime is 27435119. The next prime is 27435179. The reversal of 27435138 is 83153472.

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

27435138 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 27435099 and 27435108.

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, 2286256 + ... + 2286267.

It is an arithmetic number, because the mean of its divisors is an integer number (6858786).

Almost surely, 2^27435138 is an apocalyptic number.

27435138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27435138 is a wasteful number, since it uses less digits than its factorization.

27435138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4572528.

The product of its digits is 20160, while the sum is 33.

The square root of 27435138 is about 5237.8562408680. The cubic root of 27435138 is about 301.6030411620.

The spelling of 27435138 in words is "twenty-seven million, four hundred thirty-five thousand, one hundred thirty-eight".