268135343 has 4 divisors (see below), whose sum is σ = 306440400. Its totient is φ = 229830288.

The previous prime is 268135333. The next prime is 268135349. The reversal of 268135343 is 343531862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343531862 = 2 ⋅171765931.

It is a cyclic number.

It is not a de Polignac number, because 268135343 - 2¹⁴ = 268118959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268135349) 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, 19152518 + ... + 19152531.

It is an arithmetic number, because the mean of its divisors is an integer number (76610100).

Almost surely, 2^268135343 is an apocalyptic number.

268135343 is a deficient number, since it is larger than the sum of its proper divisors (38305057).

268135343 is an equidigital number, since it uses as much as digits as its factorization.

268135343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38305056.

The product of its digits is 51840, while the sum is 35.

The square root of 268135343 is about 16374.8387167630. The cubic root of 268135343 is about 644.8390865140.

The spelling of 268135343 in words is "two hundred sixty-eight million, one hundred thirty-five thousand, three hundred forty-three".