214130421 has 12 divisors (see below), whose sum is σ = 311010700. Its totient is φ = 141963840.

The previous prime is 214130407. The next prime is 214130431. The reversal of 214130421 is 124031412.

214130421 is a `hidden beast` number, since 214 + 1 + 30 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 92910321 + 121220100 = 9639^2 + 11010^2 .

It is not a de Polignac number, because 214130421 - 2²⁶ = 147021557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 214130394 and 214130403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214130401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64096 + ... + 67353.

Almost surely, 2^214130421 is an apocalyptic number.

It is an amenable number.

214130421 is a deficient number, since it is larger than the sum of its proper divisors (96880279).

214130421 is a wasteful number, since it uses less digits than its factorization.

214130421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131636 (or 131633 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 214130421 is about 14633.1958573649. The cubic root of 214130421 is about 598.2638897136.

Adding to 214130421 its reverse (124031412), we get a palindrome (338161833).

Subtracting from 214130421 its reverse (124031412), we obtain a palindrome (90099009).

The spelling of 214130421 in words is "two hundred fourteen million, one hundred thirty thousand, four hundred twenty-one".