27370139 has 2 divisors, whose sum is σ = 27370140. Its totient is φ = 27370138.

The previous prime is 27370111. The next prime is 27370181. The reversal of 27370139 is 93107372.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27370139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27373139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13685069 + 13685070.

It is an arithmetic number, because the mean of its divisors is an integer number (13685070).

Almost surely, 2^27370139 is an apocalyptic number.

27370139 is a deficient number, since it is larger than the sum of its proper divisors (1).

27370139 is an equidigital number, since it uses as much as digits as its factorization.

27370139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 27370139 is about 5231.6478283615. The cubic root of 27370139 is about 301.3646680429.

The spelling of 27370139 in words is "twenty-seven million, three hundred seventy thousand, one hundred thirty-nine".