268140211 has 4 divisors (see below), whose sum is σ = 268523424. Its totient is φ = 267757000.

The previous prime is 268140203. The next prime is 268140227. The reversal of 268140211 is 112041862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268140211 - 2³ = 268140203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268140241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190555 + ... + 191956.

It is an arithmetic number, because the mean of its divisors is an integer number (67130856).

Almost surely, 2^268140211 is an apocalyptic number.

268140211 is a deficient number, since it is larger than the sum of its proper divisors (383213).

268140211 is an equidigital number, since it uses as much as digits as its factorization.

268140211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383212.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 268140211 is about 16374.9873587737. The cubic root of 268140211 is about 644.8429888438.

The spelling of 268140211 in words is "two hundred sixty-eight million, one hundred forty thousand, two hundred eleven".