27140819 has 2 divisors, whose sum is σ = 27140820. Its totient is φ = 27140818.

The previous prime is 27140753. The next prime is 27140833. The reversal of 27140819 is 91804172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27140819 - 2²⁰ = 26092243 is a prime.

It is a super-2 number, since 2×27140819² = 1473248111981522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27140849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13570409 + 13570410.

It is an arithmetic number, because the mean of its divisors is an integer number (13570410).

Almost surely, 2^27140819 is an apocalyptic number.

27140819 is a deficient number, since it is larger than the sum of its proper divisors (1).

27140819 is an equidigital number, since it uses as much as digits as its factorization.

27140819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 27140819 is about 5209.6851152445. The cubic root of 27140819 is about 300.5206477489.

The spelling of 27140819 in words is "twenty-seven million, one hundred forty thousand, eight hundred nineteen".