214132143532421 has 4 divisors (see below), whose sum is σ = 214349978877792. Its totient is φ = 213914308187052.

The previous prime is 214132143532399. The next prime is 214132143532471. The reversal of 214132143532421 is 124235341231412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214132143532421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214132143532471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108917671211 + ... + 108917673176.

It is an arithmetic number, because the mean of its divisors is an integer number (53587494719448).

Almost surely, 2^{214132143532421} is an apocalyptic number.

It is an amenable number.

214132143532421 is a deficient number, since it is larger than the sum of its proper divisors (217835345371).

214132143532421 is an equidigital number, since it uses as much as digits as its factorization.

214132143532421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217835345370.

The product of its digits is 138240, while the sum is 38.

Adding to 214132143532421 its reverse (124235341231412), we get a palindrome (338367484763833).

The spelling of 214132143532421 in words is "two hundred fourteen trillion, one hundred thirty-two billion, one hundred forty-three million, five hundred thirty-two thousand, four hundred twenty-one".