211344134 has 8 divisors (see below), whose sum is σ = 319436568. Its totient is φ = 104865280.

The previous prime is 211344127. The next prime is 211344151. The reversal of 211344134 is 431443112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403067 + ... + 403590.

It is an arithmetic number, because the mean of its divisors is an integer number (39929571).

Almost surely, 2^211344134 is an apocalyptic number.

211344134 is a deficient number, since it is larger than the sum of its proper divisors (108092434).

211344134 is a wasteful number, since it uses less digits than its factorization.

211344134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806790.

The product of its digits is 1152, while the sum is 23.

The square root of 211344134 is about 14537.6798011237. The cubic root of 211344134 is about 595.6576622818.

Adding to 211344134 its reverse (431443112), we get a palindrome (642787246).

The spelling of 211344134 in words is "two hundred eleven million, three hundred forty-four thousand, one hundred thirty-four".