21420141314 has 32 divisors (see below), whose sum is σ = 37784444544. Its totient is φ = 8978647680.

The previous prime is 21420141263. The next prime is 21420141377. The reversal of 21420141314 is 41314102412.

It is a super-3 number, since 3×21420141314³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 21420141314.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 259187 + ... + 331689.

It is an arithmetic number, because the mean of its divisors is an integer number (1180763892).

Almost surely, 2^21420141314 is an apocalyptic number.

21420141314 is a deficient number, since it is larger than the sum of its proper divisors (16364303230).

21420141314 is a wasteful number, since it uses less digits than its factorization.

21420141314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73562.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21420141314 its reverse (41314102412), we get a palindrome (62734243726).

The spelling of 21420141314 in words is "twenty-one billion, four hundred twenty million, one hundred forty-one thousand, three hundred fourteen".