21136196 has 12 divisors (see below), whose sum is σ = 37050048. Its totient is φ = 10550472.

The previous prime is 21136187. The next prime is 21136207. The reversal of 21136196 is 69163112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (3087504).

Almost surely, 2^21136196 is an apocalyptic number.

It is an amenable number.

21136196 is a deficient number, since it is larger than the sum of its proper divisors (15913852).

21136196 is a wasteful number, since it uses less digits than its factorization.

21136196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818 (or 8816 counting only the distinct ones).

The product of its digits is 1944, while the sum is 29.

The square root of 21136196 is about 4597.4118806128. The cubic root of 21136196 is about 276.4875684793.

The spelling of 21136196 in words is "twenty-one million, one hundred thirty-six thousand, one hundred ninety-six".