21441410134 has 4 divisors (see below), whose sum is σ = 32162115204. Its totient is φ = 10720705066.

The previous prime is 21441410119. The next prime is 21441410141. The reversal of 21441410134 is 43101414412.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 21441410099 and 21441410108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360352532 + ... + 5360352535.

It is an arithmetic number, because the mean of its divisors is an integer number (8040528801).

Almost surely, 2^21441410134 is an apocalyptic number.

21441410134 is a deficient number, since it is larger than the sum of its proper divisors (10720705070).

21441410134 is a wasteful number, since it uses less digits than its factorization.

21441410134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720705069.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 21441410134 its reverse (43101414412), we get a palindrome (64542824546).

The spelling of 21441410134 in words is "twenty-one billion, four hundred forty-one million, four hundred ten thousand, one hundred thirty-four".