133020443 has 8 divisors (see below), whose sum is σ = 135396096. Its totient is φ = 130651200.

The previous prime is 133020409. The next prime is 133020467. The reversal of 133020443 is 344020331.

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 133020443 - 2²⁶ = 65911579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133020493) 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 in 7 ways as a sum of consecutive naturals, for example, 61958 + ... + 64068.

It is an arithmetic number, because the mean of its divisors is an integer number (16924512).

Almost surely, 2^133020443 is an apocalyptic number.

133020443 is a deficient number, since it is larger than the sum of its proper divisors (2375653).

133020443 is a wasteful number, since it uses less digits than its factorization.

133020443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 133020443 is about 11533.4488770706. The cubic root of 133020443 is about 510.4730239064.

Adding to 133020443 its reverse (344020331), we get a palindrome (477040774).

The spelling of 133020443 in words is "one hundred thirty-three million, twenty thousand, four hundred forty-three".