133818343 has 2 divisors, whose sum is σ = 133818344. Its totient is φ = 133818342.

The previous prime is 133818331. The next prime is 133818359. The reversal of 133818343 is 343818331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133818343 - 2¹³ = 133810151 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 133818299 and 133818308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133818043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66909171 + 66909172.

It is an arithmetic number, because the mean of its divisors is an integer number (66909172).

Almost surely, 2^133818343 is an apocalyptic number.

133818343 is a deficient number, since it is larger than the sum of its proper divisors (1).

133818343 is an equidigital number, since it uses as much as digits as its factorization.

133818343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 133818343 is about 11567.9878544196. The cubic root of 133818343 is about 511.4916511542.

The spelling of 133818343 in words is "one hundred thirty-three million, eight hundred eighteen thousand, three hundred forty-three".