133313543 has 8 divisors (see below), whose sum is σ = 151756416. Its totient is φ = 115924600.

The previous prime is 133313539. The next prime is 133313569. The reversal of 133313543 is 345313331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133313543 - 2² = 133313539 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 (133313503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263213 + ... + 263718.

It is an arithmetic number, because the mean of its divisors is an integer number (18969552).

Almost surely, 2^133313543 is an apocalyptic number.

133313543 is a deficient number, since it is larger than the sum of its proper divisors (18442873).

133313543 is a wasteful number, since it uses less digits than its factorization.

133313543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526965.

The product of its digits is 4860, while the sum is 26.

The square root of 133313543 is about 11546.1484054207. The cubic root of 133313543 is about 510.8476778132.

Adding to 133313543 its reverse (345313331), we get a palindrome (478626874).

The spelling of 133313543 in words is "one hundred thirty-three million, three hundred thirteen thousand, five hundred forty-three".