21024410134 has 16 divisors (see below), whose sum is σ = 38814295968. Its totient is φ = 8317348992.

The previous prime is 21024410129. The next prime is 21024410167. The reversal of 21024410134 is 43101442012.

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 7 ways as a sum of consecutive naturals, for example, 57759187 + ... + 57759550.

It is an arithmetic number, because the mean of its divisors is an integer number (2425893498).

Almost surely, 2^21024410134 is an apocalyptic number.

21024410134 is a deficient number, since it is larger than the sum of its proper divisors (17789885834).

21024410134 is a wasteful number, since it uses less digits than its factorization.

21024410134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115518759.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21024410134 its reverse (43101442012), we get a palindrome (64125852146).

The spelling of 21024410134 in words is "twenty-one billion, twenty-four million, four hundred ten thousand, one hundred thirty-four".