133543345541 has 8 divisors (see below), whose sum is σ = 133626893568. Its totient is φ = 133459830000.

The previous prime is 133543345517. The next prime is 133543345601. The reversal of 133543345541 is 145543345331.

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

It is a cyclic number.

It is not a de Polignac number, because 133543345541 - 2⁶ = 133543345477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133543345141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18163016 + ... + 18170366.

It is an arithmetic number, because the mean of its divisors is an integer number (16703361696).

Almost surely, 2^133543345541 is an apocalyptic number.

It is an amenable number.

133543345541 is a deficient number, since it is larger than the sum of its proper divisors (83548027).

133543345541 is an equidigital number, since it uses as much as digits as its factorization.

133543345541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16243.

The product of its digits is 648000, while the sum is 41.

The spelling of 133543345541 in words is "one hundred thirty-three billion, five hundred forty-three million, three hundred forty-five thousand, five hundred forty-one".