27610139 has 2 divisors, whose sum is σ = 27610140. Its totient is φ = 27610138.

The previous prime is 27610129. The next prime is 27610153. The reversal of 27610139 is 93101672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27610139 - 2²⁴ = 10832923 is a prime.

It is not a weakly prime, because it can be changed into another prime (27610129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13805069 + 13805070.

It is an arithmetic number, because the mean of its divisors is an integer number (13805070).

Almost surely, 2^27610139 is an apocalyptic number.

27610139 is a deficient number, since it is larger than the sum of its proper divisors (1).

27610139 is an equidigital number, since it uses as much as digits as its factorization.

27610139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 27610139 is about 5254.5350888542. The cubic root of 27610139 is about 302.2429626760.

The spelling of 27610139 in words is "twenty-seven million, six hundred ten thousand, one hundred thirty-nine".