21134253014 has 32 divisors (see below), whose sum is σ = 38915328000. Its totient is φ = 8580819240.

The previous prime is 21134252989. The next prime is 21134253037. The reversal of 21134253014 is 41035243112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797702 + ... + 823769.

It is an arithmetic number, because the mean of its divisors is an integer number (1216104000).

Almost surely, 2^21134253014 is an apocalyptic number.

21134253014 is a deficient number, since it is larger than the sum of its proper divisors (17781074986).

21134253014 is a wasteful number, since it uses less digits than its factorization.

21134253014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621513 (or 1621499 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 21134253014 its reverse (41035243112), we get a palindrome (62169496126).

The spelling of 21134253014 in words is "twenty-one billion, one hundred thirty-four million, two hundred fifty-three thousand, fourteen".