21034332240134 has 16 divisors (see below), whose sum is σ = 31557075433200. Its totient is φ = 10515307281024.

The previous prime is 21034332240127. The next prime is 21034332240193. The reversal of 21034332240134 is 43104223343012.

It is a self number, because there is not a number n which added to its sum of digits gives 21034332240134.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312192002 + ... + 312259370.

It is an arithmetic number, because the mean of its divisors is an integer number (1972317214575).

Almost surely, 2^{21034332240134} is an apocalyptic number.

21034332240134 is a deficient number, since it is larger than the sum of its proper divisors (10522743193066).

21034332240134 is a wasteful number, since it uses less digits than its factorization.

21034332240134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92647.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21034332240134 its reverse (43104223343012), we get a palindrome (64138555583146).

The spelling of 21034332240134 in words is "twenty-one trillion, thirty-four billion, three hundred thirty-two million, two hundred forty thousand, one hundred thirty-four".