211334134 has 16 divisors (see below), whose sum is σ = 351490896. Its totient is φ = 94485600.

The previous prime is 211334129. The next prime is 211334153. The reversal of 211334134 is 431433112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77397 + ... + 80080.

It is an arithmetic number, because the mean of its divisors is an integer number (21968181).

Almost surely, 2^211334134 is an apocalyptic number.

211334134 is a deficient number, since it is larger than the sum of its proper divisors (140156762).

211334134 is a wasteful number, since it uses less digits than its factorization.

211334134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157551.

The product of its digits is 864, while the sum is 22.

The square root of 211334134 is about 14537.3358632179. The cubic root of 211334134 is about 595.6482673825.

Adding to 211334134 its reverse (431433112), we get a palindrome (642767246).

The spelling of 211334134 in words is "two hundred eleven million, three hundred thirty-four thousand, one hundred thirty-four".