27294139 has 4 divisors (see below), whose sum is σ = 27564480. Its totient is φ = 27023800.

The previous prime is 27294119. The next prime is 27294143. The reversal of 27294139 is 93149272.

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

It is a cyclic number.

It is not a de Polignac number, because 27294139 - 2¹⁹ = 26769851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27294098 and 27294107.

It is not an unprimeable number, because it can be changed into a prime (27294109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135019 + ... + 135220.

It is an arithmetic number, because the mean of its divisors is an integer number (6891120).

Almost surely, 2^27294139 is an apocalyptic number.

27294139 is a deficient number, since it is larger than the sum of its proper divisors (270341).

27294139 is a wasteful number, since it uses less digits than its factorization.

27294139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270340.

The product of its digits is 27216, while the sum is 37.

The square root of 27294139 is about 5224.3792932749. The cubic root of 27294139 is about 301.0854714724.

The spelling of 27294139 in words is "twenty-seven million, two hundred ninety-four thousand, one hundred thirty-nine".