133452424221 has 8 divisors (see below), whose sum is σ = 178020151680. Its totient is φ = 88926489792.

The previous prime is 133452424213. The next prime is 133452424253. The reversal of 133452424221 is 122424254331.

It is a happy number.

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

It is not a de Polignac number, because 133452424221 - 2³ = 133452424213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133452424201) 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 7 ways as a sum of consecutive naturals, for example, 10440805 + ... + 10453578.

It is an arithmetic number, because the mean of its divisors is an integer number (22252518960).

Almost surely, 2^133452424221 is an apocalyptic number.

It is an amenable number.

133452424221 is a deficient number, since it is larger than the sum of its proper divisors (44567727459).

133452424221 is a wasteful number, since it uses less digits than its factorization.

133452424221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20896515.

The product of its digits is 46080, while the sum is 33.

Adding to 133452424221 its reverse (122424254331), we get a palindrome (255876678552).

The spelling of 133452424221 in words is "one hundred thirty-three billion, four hundred fifty-two million, four hundred twenty-four thousand, two hundred twenty-one".