133443320130421 has 8 divisors (see below), whose sum is σ = 155751473952000. Its totient is φ = 111946371902448.

The previous prime is 133443320130389. The next prime is 133443320130451. The reversal of 133443320130421 is 124031023344331.

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 133443320130421 - 2⁵ = 133443320130389 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 (133443320130451) 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, 202801398046 + ... + 202801398703.

It is an arithmetic number, because the mean of its divisors is an integer number (19468934244000).

Almost surely, 2^{133443320130421} is an apocalyptic number.

It is an amenable number.

133443320130421 is a deficient number, since it is larger than the sum of its proper divisors (22308153821579).

133443320130421 is an equidigital number, since it uses as much as digits as its factorization.

133443320130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405602796803.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 133443320130421 its reverse (124031023344331), we get a palindrome (257474343474752).

The spelling of 133443320130421 in words is "one hundred thirty-three trillion, four hundred forty-three billion, three hundred twenty million, one hundred thirty thousand, four hundred twenty-one".