21314204440142 has 8 divisors (see below), whose sum is σ = 32092870564656. Its totient is φ = 10616580918592.

The previous prime is 21314204440051. The next prime is 21314204440147. The reversal of 21314204440142 is 24104440241312.

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

It is a junction number, because it is equal to n+sod(n) for n = 21314204440099 and 21314204440108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314204440147) 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, 20260650083 + ... + 20260651134.

It is an arithmetic number, because the mean of its divisors is an integer number (4011608820582).

Almost surely, 2^{21314204440142} is an apocalyptic number.

21314204440142 is a deficient number, since it is larger than the sum of its proper divisors (10778666124514).

21314204440142 is a wasteful number, since it uses less digits than its factorization.

21314204440142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40521301482.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 21314204440142 its reverse (24104440241312), we get a palindrome (45418644681454).

The spelling of 21314204440142 in words is "twenty-one trillion, three hundred fourteen billion, two hundred four million, four hundred forty thousand, one hundred forty-two".