21414130 has 8 divisors (see below), whose sum is σ = 38545452. Its totient is φ = 8565648.

The previous prime is 21414119. The next prime is 21414193. The reversal of 21414130 is 3141412.

It can be written as a sum of positive squares in 2 ways, for example, as 19793601 + 1620529 = 4449^2 + 1273^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070697 + ... + 1070716.

Almost surely, 2^21414130 is an apocalyptic number.

21414130 is a deficient number, since it is larger than the sum of its proper divisors (17131322).

21414130 is a wasteful number, since it uses less digits than its factorization.

21414130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141420.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 21414130 is about 4627.5403834002. The cubic root of 21414130 is about 277.6942016418.

Adding to 21414130 its reverse (3141412), we get a palindrome (24555542).

The spelling of 21414130 in words is "twenty-one million, four hundred fourteen thousand, one hundred thirty".