133220104342491 has 8 divisors (see below), whose sum is σ = 177997634196480. Its totient is φ = 88627988691752.

The previous prime is 133220104342477. The next prime is 133220104342499. The reversal of 133220104342491 is 194243401022331.

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 133220104342491 - 2¹⁵ = 133220104309723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133220104342499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46353549135 + ... + 46353552008.

It is an arithmetic number, because the mean of its divisors is an integer number (22249704274560).

Almost surely, 2^{133220104342491} is an apocalyptic number.

133220104342491 is a deficient number, since it is larger than the sum of its proper divisors (44777529853989).

133220104342491 is an equidigital number, since it uses as much as digits as its factorization.

133220104342491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92707101625.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 133220104342491 in words is "one hundred thirty-three trillion, two hundred twenty billion, one hundred four million, three hundred forty-two thousand, four hundred ninety-one".