133738219 has 2 divisors, whose sum is σ = 133738220. Its totient is φ = 133738218.

The previous prime is 133738211. The next prime is 133738243. The reversal of 133738219 is 912837331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133738219 - 2³ = 133738211 is a prime.

It is a super-2 number, since 2×133738219² = 35771822442583922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (133738211) 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 as a sum of consecutive naturals, namely, 66869109 + 66869110.

It is an arithmetic number, because the mean of its divisors is an integer number (66869110).

Almost surely, 2^133738219 is an apocalyptic number.

133738219 is a deficient number, since it is larger than the sum of its proper divisors (1).

133738219 is an equidigital number, since it uses as much as digits as its factorization.

133738219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 133738219 is about 11564.5241579583. The cubic root of 133738219 is about 511.3895452237.

The spelling of 133738219 in words is "one hundred thirty-three million, seven hundred thirty-eight thousand, two hundred nineteen".