27366139 has 2 divisors, whose sum is σ = 27366140. Its totient is φ = 27366138.

The previous prime is 27366133. The next prime is 27366191. The reversal of 27366139 is 93166372.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27366139 - 2¹¹ = 27364091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27366098 and 27366107.

It is not a weakly prime, because it can be changed into another prime (27366133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13683069 + 13683070.

It is an arithmetic number, because the mean of its divisors is an integer number (13683070).

Almost surely, 2^27366139 is an apocalyptic number.

27366139 is a deficient number, since it is larger than the sum of its proper divisors (1).

27366139 is an equidigital number, since it uses as much as digits as its factorization.

27366139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 27366139 is about 5231.2655256639. The cubic root of 27366139 is about 301.3499863807.

The spelling of 27366139 in words is "twenty-seven million, three hundred sixty-six thousand, one hundred thirty-nine".