274680143 has 2 divisors, whose sum is σ = 274680144. Its totient is φ = 274680142.

The previous prime is 274680103. The next prime is 274680149. The reversal of 274680143 is 341086472.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 274680143 - 2¹⁸ = 274417999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (274680149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137340071 + 137340072.

It is an arithmetic number, because the mean of its divisors is an integer number (137340072).

Almost surely, 2^274680143 is an apocalyptic number.

274680143 is a deficient number, since it is larger than the sum of its proper divisors (1).

274680143 is an equidigital number, since it uses as much as digits as its factorization.

274680143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 274680143 is about 16573.4770944422. The cubic root of 274680143 is about 650.0435024139.

The spelling of 274680143 in words is "two hundred seventy-four million, six hundred eighty thousand, one hundred forty-three".