27262138 has 4 divisors (see below), whose sum is σ = 40893210. Its totient is φ = 13631068.

The previous prime is 27262127. The next prime is 27262139. The reversal of 27262138 is 83126272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26594649 + 667489 = 5157^2 + 817^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (27262139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6815533 + ... + 6815536.

Almost surely, 2^27262138 is an apocalyptic number.

27262138 is a deficient number, since it is larger than the sum of its proper divisors (13631072).

27262138 is a wasteful number, since it uses less digits than its factorization.

27262138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13631071.

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

The square root of 27262138 is about 5221.3157345635. The cubic root of 27262138 is about 300.9677562839.

The spelling of 27262138 in words is "twenty-seven million, two hundred sixty-two thousand, one hundred thirty-eight".