133441043 has 2 divisors, whose sum is σ = 133441044. Its totient is φ = 133441042.

The previous prime is 133441039. The next prime is 133441069. The reversal of 133441043 is 340144331.

It is a weak prime.

It is an emirp because it is prime and its reverse (340144331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133441043 - 2² = 133441039 is a prime.

It is not a weakly prime, because it can be changed into another prime (133441003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66720521 + 66720522.

It is an arithmetic number, because the mean of its divisors is an integer number (66720522).

Almost surely, 2^133441043 is an apocalyptic number.

133441043 is a deficient number, since it is larger than the sum of its proper divisors (1).

133441043 is an equidigital number, since it uses as much as digits as its factorization.

133441043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 133441043 is about 11551.6684076371. The cubic root of 133441043 is about 511.0104827922.

Adding to 133441043 its reverse (340144331), we get a palindrome (473585374).

The spelling of 133441043 in words is "one hundred thirty-three million, four hundred forty-one thousand, forty-three".