268870133 has 4 divisors (see below), whose sum is σ = 307280160. Its totient is φ = 230460108.

The previous prime is 268870123. The next prime is 268870163. The reversal of 268870133 is 331078862.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331078862 = 2 ⋅165539431.

It is a cyclic number.

It is not a de Polignac number, because 268870133 - 2¹⁰ = 268869109 is a prime.

It is a super-2 number, since 2×268870133² = 144582296838875378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268870123) 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, 19205003 + ... + 19205016.

It is an arithmetic number, because the mean of its divisors is an integer number (76820040).

Almost surely, 2^268870133 is an apocalyptic number.

It is an amenable number.

268870133 is a deficient number, since it is larger than the sum of its proper divisors (38410027).

268870133 is an equidigital number, since it uses as much as digits as its factorization.

268870133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38410026.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 268870133 is about 16397.2599235360. The cubic root of 268870133 is about 645.4275817985.

The spelling of 268870133 in words is "two hundred sixty-eight million, eight hundred seventy thousand, one hundred thirty-three".