211434134 has 24 divisors (see below), whose sum is σ = 341587848. Its totient is φ = 98115840.

The previous prime is 211434133. The next prime is 211434163. The reversal of 211434134 is 431434112.

211434134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211434133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39689 + ... + 44699.

It is an arithmetic number, because the mean of its divisors is an integer number (14232827).

Almost surely, 2^211434134 is an apocalyptic number.

211434134 is a deficient number, since it is larger than the sum of its proper divisors (130153714).

211434134 is a wasteful number, since it uses less digits than its factorization.

211434134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120 (or 5103 counting only the distinct ones).

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

The square root of 211434134 is about 14540.7748761887. The cubic root of 211434134 is about 595.7422030426.

Adding to 211434134 its reverse (431434112), we get a palindrome (642868246).

The spelling of 211434134 in words is "two hundred eleven million, four hundred thirty-four thousand, one hundred thirty-four".