133212943 has 2 divisors, whose sum is σ = 133212944. Its totient is φ = 133212942.

The previous prime is 133212929. The next prime is 133212949. The reversal of 133212943 is 349212331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133212943 - 2¹³ = 133204751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133212949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66606471 + 66606472.

It is an arithmetic number, because the mean of its divisors is an integer number (66606472).

Almost surely, 2^133212943 is an apocalyptic number.

133212943 is a deficient number, since it is larger than the sum of its proper divisors (1).

133212943 is an equidigital number, since it uses as much as digits as its factorization.

133212943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 133212943 is about 11541.7911521566. The cubic root of 133212943 is about 510.7191482143.

The spelling of 133212943 in words is "one hundred thirty-three million, two hundred twelve thousand, nine hundred forty-three".