211332134 has 24 divisors (see below), whose sum is σ = 363459960. Its totient is φ = 91797888.

The previous prime is 211332133. The next prime is 211332157. The reversal of 211332134 is 431233112.

It is a super-2 number, since 2×211332134² = 89322541721987912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211332133) 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, 12644 + ... + 24135.

It is an arithmetic number, because the mean of its divisors is an integer number (15144165).

Almost surely, 2^211332134 is an apocalyptic number.

211332134 is a deficient number, since it is larger than the sum of its proper divisors (152127826).

211332134 is a wasteful number, since it uses less digits than its factorization.

211332134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36824 (or 36811 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 211332134 is about 14537.2670746602. The cubic root of 211332134 is about 595.6463883671.

Adding to 211332134 its reverse (431233112), we get a palindrome (642565246).

The spelling of 211332134 in words is "two hundred eleven million, three hundred thirty-two thousand, one hundred thirty-four".