276814147 has 2 divisors, whose sum is σ = 276814148. Its totient is φ = 276814146.

The previous prime is 276814141. The next prime is 276814169. The reversal of 276814147 is 741418672.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 276814147 - 2²³ = 268425539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (276814141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138407073 + 138407074.

It is an arithmetic number, because the mean of its divisors is an integer number (138407074).

Almost surely, 2^276814147 is an apocalyptic number.

276814147 is a deficient number, since it is larger than the sum of its proper divisors (1).

276814147 is an equidigital number, since it uses as much as digits as its factorization.

276814147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 276814147 is about 16637.7326279755. The cubic root of 276814147 is about 651.7225686512.

The spelling of 276814147 in words is "two hundred seventy-six million, eight hundred fourteen thousand, one hundred forty-seven".