211355134 has 8 divisors (see below), whose sum is σ = 317269728. Its totient is φ = 105598560.

The previous prime is 211355129. The next prime is 211355141. The reversal of 211355134 is 431553112.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 211355099 and 211355108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36102 + ... + 41545.

It is an arithmetic number, because the mean of its divisors is an integer number (39658716).

Almost surely, 2^211355134 is an apocalyptic number.

211355134 is a deficient number, since it is larger than the sum of its proper divisors (105914594).

211355134 is a wasteful number, since it uses less digits than its factorization.

211355134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79010.

The product of its digits is 1800, while the sum is 25.

The square root of 211355134 is about 14538.0581234221. The cubic root of 211355134 is about 595.6679963287.

The spelling of 211355134 in words is "two hundred eleven million, three hundred fifty-five thousand, one hundred thirty-four".