21114134 has 4 divisors (see below), whose sum is σ = 31671204. Its totient is φ = 10557066.

The previous prime is 21114127. The next prime is 21114143. The reversal of 21114134 is 43141112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278532 + ... + 5278535.

It is an arithmetic number, because the mean of its divisors is an integer number (7917801).

Almost surely, 2^21114134 is an apocalyptic number.

21114134 is a deficient number, since it is larger than the sum of its proper divisors (10557070).

21114134 is a wasteful number, since it uses less digits than its factorization.

21114134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557069.

The product of its digits is 96, while the sum is 17.

The square root of 21114134 is about 4595.0118607029. The cubic root of 21114134 is about 276.3913355791.

Adding to 21114134 its reverse (43141112), we get a palindrome (64255246).

The spelling of 21114134 in words is "twenty-one million, one hundred fourteen thousand, one hundred thirty-four".