27286138 has 16 divisors (see below), whose sum is σ = 46091520. Its totient is φ = 12002400.

The previous prime is 27286111. The next prime is 27286141. The reversal of 27286138 is 83168272.

27286138 is a modest number, since divided by 6138 gives 2728 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 27286097 and 27286106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19323 + ... + 20686.

It is an arithmetic number, because the mean of its divisors is an integer number (2880720).

Almost surely, 2^27286138 is an apocalyptic number.

27286138 is a deficient number, since it is larger than the sum of its proper divisors (18805382).

27286138 is a wasteful number, since it uses less digits than its factorization.

27286138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40053.

The product of its digits is 32256, while the sum is 37.

The square root of 27286138 is about 5223.6135002506. The cubic root of 27286138 is about 301.0560485466.

It can be divided in two parts, 2728 and 6138, that multiplied together give a square (16744464 = 4092²).

The spelling of 27286138 in words is "twenty-seven million, two hundred eighty-six thousand, one hundred thirty-eight".