270140243 has 2 divisors, whose sum is σ = 270140244. Its totient is φ = 270140242.

The previous prime is 270140237. The next prime is 270140257. The reversal of 270140243 is 342041072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 270140243 - 2⁶ = 270140179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (270140203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135070121 + 135070122.

It is an arithmetic number, because the mean of its divisors is an integer number (135070122).

Almost surely, 2^270140243 is an apocalyptic number.

270140243 is a deficient number, since it is larger than the sum of its proper divisors (1).

270140243 is an equidigital number, since it uses as much as digits as its factorization.

270140243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 270140243 is about 16435.9436297403. The cubic root of 270140243 is about 646.4422929674.

The spelling of 270140243 in words is "two hundred seventy million, one hundred forty thousand, two hundred forty-three".