268000133 has 4 divisors (see below), whose sum is σ = 268457280. Its totient is φ = 267542988.

The previous prime is 268000081. The next prime is 268000141. The reversal of 268000133 is 331000862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 268000133 - 2⁶ = 268000069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268000099 and 268000108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268000333) 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, 227693 + ... + 228866.

It is an arithmetic number, because the mean of its divisors is an integer number (67114320).

Almost surely, 2^268000133 is an apocalyptic number.

It is an amenable number.

268000133 is a deficient number, since it is larger than the sum of its proper divisors (457147).

268000133 is an equidigital number, since it uses as much as digits as its factorization.

268000133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457146.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 268000133 is about 16370.7096058784. The cubic root of 268000133 is about 644.7306793799.

Adding to 268000133 its reverse (331000862), we get a palindrome (599000995).

The spelling of 268000133 in words is "two hundred sixty-eight million, one hundred thirty-three", and thus it is an aban number.