133336943 has 2 divisors, whose sum is σ = 133336944. Its totient is φ = 133336942.

The previous prime is 133336939. The next prime is 133336993. The reversal of 133336943 is 349633331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133336943 - 2² = 133336939 is a prime.

It is equal to p_7556552 and since 133336943 and 7556552 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133336993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66668471 + 66668472.

It is an arithmetic number, because the mean of its divisors is an integer number (66668472).

Almost surely, 2^133336943 is an apocalyptic number.

133336943 is a deficient number, since it is larger than the sum of its proper divisors (1).

133336943 is an equidigital number, since it uses as much as digits as its factorization.

133336943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 35.

The square root of 133336943 is about 11547.1616858863. The cubic root of 133336943 is about 510.8775650901.

The spelling of 133336943 in words is "one hundred thirty-three million, three hundred thirty-six thousand, nine hundred forty-three".