21414107 has 8 divisors (see below), whose sum is σ = 25158000. Its totient is φ = 17969760.

The previous prime is 21414103. The next prime is 21414119. The reversal of 21414107 is 70141412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21414107 - 2² = 21414103 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21414103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74732 + ... + 75017.

It is an arithmetic number, because the mean of its divisors is an integer number (3144750).

Almost surely, 2^21414107 is an apocalyptic number.

21414107 is a deficient number, since it is larger than the sum of its proper divisors (3743893).

21414107 is a wasteful number, since it uses less digits than its factorization.

21414107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149773.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 21414107 is about 4627.5378982781. The cubic root of 21414107 is about 277.6941022220.

Adding to 21414107 its reverse (70141412), we get a palindrome (91555519).

The spelling of 21414107 in words is "twenty-one million, four hundred fourteen thousand, one hundred seven".