27406138 has 8 divisors (see below), whose sum is σ = 41234400. Its totient is φ = 13661340.

The previous prime is 27406129. The next prime is 27406177. The reversal of 27406138 is 83160472.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20038 + ... + 21361.

It is an arithmetic number, because the mean of its divisors is an integer number (5154300).

Almost surely, 2^27406138 is an apocalyptic number.

27406138 is a deficient number, since it is larger than the sum of its proper divisors (13828262).

27406138 is a wasteful number, since it uses less digits than its factorization.

27406138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41732.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 27406138 is about 5235.0872008019. The cubic root of 27406138 is about 301.4967350106.

The spelling of 27406138 in words is "twenty-seven million, four hundred six thousand, one hundred thirty-eight".