133006543 has 4 divisors (see below), whose sum is σ = 133426440. Its totient is φ = 132586648.

The previous prime is 133006541. The next prime is 133006547. The reversal of 133006543 is 345600331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133006543 - 2¹ = 133006541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133006541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209473 + ... + 210106.

It is an arithmetic number, because the mean of its divisors is an integer number (33356610).

Almost surely, 2^133006543 is an apocalyptic number.

133006543 is a deficient number, since it is larger than the sum of its proper divisors (419897).

133006543 is an equidigital number, since it uses as much as digits as its factorization.

133006543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419896.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 133006543 is about 11532.8462662085. The cubic root of 133006543 is about 510.4552426240.

Adding to 133006543 its reverse (345600331), we get a palindrome (478606874).

The spelling of 133006543 in words is "one hundred thirty-three million, six thousand, five hundred forty-three".