211034136 has 64 divisors (see below), whose sum is σ = 547822080. Its totient is φ = 67697280.

The previous prime is 211034123. The next prime is 211034171. The reversal of 211034136 is 631430112.

211034136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67275 + ... + 70341.

It is an arithmetic number, because the mean of its divisors is an integer number (8559720).

Almost surely, 2^211034136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211034136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273911040).

211034136 is an abundant number, since it is smaller than the sum of its proper divisors (336787944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211034136 is a wasteful number, since it uses less digits than its factorization.

211034136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 211034136 is about 14527.0140083914. The cubic root of 211034136 is about 595.3662843657.

Adding to 211034136 its reverse (631430112), we get a palindrome (842464248).

The spelling of 211034136 in words is "two hundred eleven million, thirty-four thousand, one hundred thirty-six".