21314108 has 6 divisors (see below), whose sum is σ = 37299696. Its totient is φ = 10657052.

The previous prime is 21314087. The next prime is 21314149. The reversal of 21314108 is 80141312.

It is a self number, because there is not a number n which added to its sum of digits gives 21314108.

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, 2664260 + ... + 2664267.

It is an arithmetic number, because the mean of its divisors is an integer number (6216616).

Almost surely, 2^21314108 is an apocalyptic number.

It is an amenable number.

21314108 is a deficient number, since it is larger than the sum of its proper divisors (15985588).

21314108 is a wasteful number, since it uses less digits than its factorization.

21314108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328531 (or 5328529 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 21314108 is about 4616.7204810341. The cubic root of 21314108 is about 277.2611715657.

The spelling of 21314108 in words is "twenty-one million, three hundred fourteen thousand, one hundred eight".