21302410134 has 8 divisors (see below), whose sum is σ = 42604820280. Its totient is φ = 7100803376.

The previous prime is 21302410121. The next prime is 21302410159. The reversal of 21302410134 is 43101420312.

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

21302410134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 21302410134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1775200839 + ... + 1775200850.

It is an arithmetic number, because the mean of its divisors is an integer number (5325602535).

Almost surely, 2^21302410134 is an apocalyptic number.

21302410134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21302410134 is a wasteful number, since it uses less digits than its factorization.

21302410134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550401694.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 21302410134 its reverse (43101420312), we get a palindrome (64403830446).

The spelling of 21302410134 in words is "twenty-one billion, three hundred two million, four hundred ten thousand, one hundred thirty-four".