133220004191 has 2 divisors, whose sum is σ = 133220004192. Its totient is φ = 133220004190.

The previous prime is 133220004187. The next prime is 133220004199. The reversal of 133220004191 is 191400022331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133220004191 - 2² = 133220004187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133220004191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133220004199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66610002095 + 66610002096.

It is an arithmetic number, because the mean of its divisors is an integer number (66610002096).

Almost surely, 2^133220004191 is an apocalyptic number.

133220004191 is a deficient number, since it is larger than the sum of its proper divisors (1).

133220004191 is an equidigital number, since it uses as much as digits as its factorization.

133220004191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 133220004191 in words is "one hundred thirty-three billion, two hundred twenty million, four thousand, one hundred ninety-one".