134218411 has 4 divisors (see below), whose sum is σ = 134703232. Its totient is φ = 133733592.

The previous prime is 134218397. The next prime is 134218421. The reversal of 134218411 is 114812431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114812431 = 61 ⋅1882171.

It is a cyclic number.

It is not a de Polignac number, because 134218411 - 2¹⁹ = 133694123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134218421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241995 + ... + 242548.

It is an arithmetic number, because the mean of its divisors is an integer number (33675808).

Almost surely, 2^134218411 is an apocalyptic number.

134218411 is a deficient number, since it is larger than the sum of its proper divisors (484821).

134218411 is an equidigital number, since it uses as much as digits as its factorization.

134218411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484820.

The product of its digits is 768, while the sum is 25.

The square root of 134218411 is about 11585.2669800916. The cubic root of 134218411 is about 512.0008684779. Note that the first 3 decimals are identical.

The spelling of 134218411 in words is "one hundred thirty-four million, two hundred eighteen thousand, four hundred eleven".