14190421 has 8 divisors (see below), whose sum is σ = 16385600. Its totient is φ = 12037248.

The previous prime is 14190409. The next prime is 14190437. The reversal of 14190421 is 12409141.

14190421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 14190421 - 2¹¹ = 14188373 is a prime.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 14190392 and 14190401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14190221) 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, 9771 + ... + 11128.

It is an arithmetic number, because the mean of its divisors is an integer number (2048200).

Almost surely, 2^14190421 is an apocalyptic number.

It is an amenable number.

14190421 is a deficient number, since it is larger than the sum of its proper divisors (2195179).

14190421 is an equidigital number, since it uses as much as digits as its factorization.

14190421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21003.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 14190421 is about 3767.0175205327. The cubic root of 14190421 is about 242.1020276480.

Adding to 14190421 its reverse (12409141), we get a palindrome (26599562).

The spelling of 14190421 in words is "fourteen million, one hundred ninety thousand, four hundred twenty-one".