134209219 has 2 divisors, whose sum is σ = 134209220. Its totient is φ = 134209218.

The previous prime is 134209213. The next prime is 134209291. The reversal of 134209219 is 912902431.

Together with next prime (134209291) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134209219 - 2¹⁵ = 134176451 is a prime.

It is a super-2 number, since 2×134209219² = 36024228929179922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134209213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67104609 + 67104610.

It is an arithmetic number, because the mean of its divisors is an integer number (67104610).

Almost surely, 2^134209219 is an apocalyptic number.

134209219 is a deficient number, since it is larger than the sum of its proper divisors (1).

134209219 is an equidigital number, since it uses as much as digits as its factorization.

134209219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 134209219 is about 11584.8702625450. The cubic root of 134209219 is about 511.9891800183.

The spelling of 134209219 in words is "one hundred thirty-four million, two hundred nine thousand, two hundred nineteen".