21134321403414 has 64 divisors (see below), whose sum is σ = 44627841734400. Its totient is φ = 6662424843648.

The previous prime is 21134321403347. The next prime is 21134321403451. The reversal of 21134321403414 is 41430412343112.

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 31 ways as a sum of consecutive naturals, for example, 872332 + ... + 6559695.

It is an arithmetic number, because the mean of its divisors is an integer number (697310027100).

Almost surely, 2^{21134321403414} is an apocalyptic number.

21134321403414 is an abundant number, since it is smaller than the sum of its proper divisors (23493520330986).

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

21134321403414 is a wasteful number, since it uses less digits than its factorization.

21134321403414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7432397.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 21134321403414 its reverse (41430412343112), we get a palindrome (62564733746526).

The spelling of 21134321403414 in words is "twenty-one trillion, one hundred thirty-four billion, three hundred twenty-one million, four hundred three thousand, four hundred fourteen".