271140143 has 2 divisors, whose sum is σ = 271140144. Its totient is φ = 271140142.

The previous prime is 271140139. The next prime is 271140173. The reversal of 271140143 is 341041172.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 271140143 - 2² = 271140139 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271140173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135570071 + 135570072.

It is an arithmetic number, because the mean of its divisors is an integer number (135570072).

Almost surely, 2^271140143 is an apocalyptic number.

271140143 is a deficient number, since it is larger than the sum of its proper divisors (1).

271140143 is an equidigital number, since it uses as much as digits as its factorization.

271140143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 271140143 is about 16466.3336234877. Note that the first 3 decimals coincide. The cubic root of 271140143 is about 647.2388937434.

The spelling of 271140143 in words is "two hundred seventy-one million, one hundred forty thousand, one hundred forty-three".