21412114134 has 8 divisors (see below), whose sum is σ = 42824228280. Its totient is φ = 7137371376.

The previous prime is 21412114133. The next prime is 21412114147. The reversal of 21412114134 is 43141121412.

It is a happy number.

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

21412114134 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412114133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1784342839 + ... + 1784342850.

It is an arithmetic number, because the mean of its divisors is an integer number (5353028535).

Almost surely, 2^21412114134 is an apocalyptic number.

21412114134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21412114134 is a wasteful number, since it uses less digits than its factorization.

21412114134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568685694.

The product of its digits is 768, while the sum is 24.

Adding to 21412114134 its reverse (43141121412), we get a palindrome (64553235546).

The spelling of 21412114134 in words is "twenty-one billion, four hundred twelve million, one hundred fourteen thousand, one hundred thirty-four".