133888343 has 2 divisors, whose sum is σ = 133888344. Its totient is φ = 133888342.

The previous prime is 133888301. The next prime is 133888357. The reversal of 133888343 is 343888331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133888343 - 2⁸ = 133888087 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133888343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133888373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66944171 + 66944172.

It is an arithmetic number, because the mean of its divisors is an integer number (66944172).

Almost surely, 2^133888343 is an apocalyptic number.

133888343 is a deficient number, since it is larger than the sum of its proper divisors (1).

133888343 is an equidigital number, since it uses as much as digits as its factorization.

133888343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 133888343 is about 11571.0130498587. The cubic root of 133888343 is about 511.5808222238.

The spelling of 133888343 in words is "one hundred thirty-three million, eight hundred eighty-eight thousand, three hundred forty-three".