134207218 has 4 divisors (see below), whose sum is σ = 201310830. Its totient is φ = 67103608.

The previous prime is 134207209. The next prime is 134207221. The reversal of 134207218 is 812702431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812702431 = 1019 ⋅797549.

It can be written as a sum of positive squares in only one way, i.e., 127306089 + 6901129 = 11283^2 + 2627^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33551803 + ... + 33551806.

Almost surely, 2^134207218 is an apocalyptic number.

134207218 is a deficient number, since it is larger than the sum of its proper divisors (67103612).

134207218 is an equidigital number, since it uses as much as digits as its factorization.

134207218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67103611.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 134207218 is about 11584.7838995814. The cubic root of 134207218 is about 511.9866354951.

Adding to 134207218 its reverse (812702431), we get a palindrome (946909649).

The spelling of 134207218 in words is "one hundred thirty-four million, two hundred seven thousand, two hundred eighteen".