21130314134 has 16 divisors (see below), whose sum is σ = 32516778672. Its totient is φ = 10294875648.

The previous prime is 21130314113. The next prime is 21130314151. The reversal of 21130314134 is 43141303112.

It is a Curzon 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, 859739 + ... + 883974.

It is an arithmetic number, because the mean of its divisors is an integer number (2032298667).

Almost surely, 2^21130314134 is an apocalyptic number.

21130314134 is a deficient number, since it is larger than the sum of its proper divisors (11386464538).

21130314134 is a wasteful number, since it uses less digits than its factorization.

21130314134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743871.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21130314134 its reverse (43141303112), we get a palindrome (64271617246).

The spelling of 21130314134 in words is "twenty-one billion, one hundred thirty million, three hundred fourteen thousand, one hundred thirty-four".