27246139 has 2 divisors, whose sum is σ = 27246140. Its totient is φ = 27246138.

The previous prime is 27246119. The next prime is 27246143. The reversal of 27246139 is 93164272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27246139 - 2⁹ = 27245627 is a prime.

It is not a weakly prime, because it can be changed into another prime (27246119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13623069 + 13623070.

It is an arithmetic number, because the mean of its divisors is an integer number (13623070).

Almost surely, 2^27246139 is an apocalyptic number.

27246139 is a deficient number, since it is larger than the sum of its proper divisors (1).

27246139 is an equidigital number, since it uses as much as digits as its factorization.

27246139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 27246139 is about 5219.7834246260. The cubic root of 27246139 is about 300.9088696651.

The spelling of 27246139 in words is "twenty-seven million, two hundred forty-six thousand, one hundred thirty-nine".