21134105514 has 12 divisors (see below), whose sum is σ = 45790561986. Its totient is φ = 7044701832.

The previous prime is 21134105483. The next prime is 21134105521. The reversal of 21134105514 is 41550143112.

21134105514 is a `hidden beast` number, since 2 + 1 + 134 + 10 + 5 + 514 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21130983225 + 3122289 = 145365^2 + 1767^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 587058469 + ... + 587058504.

Almost surely, 2^21134105514 is an apocalyptic number.

21134105514 is an abundant number, since it is smaller than the sum of its proper divisors (24656456472).

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

21134105514 is a wasteful number, since it uses less digits than its factorization.

21134105514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174116981 (or 1174116978 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 21134105514 its reverse (41550143112), we get a palindrome (62684248626).

The spelling of 21134105514 in words is "twenty-one billion, one hundred thirty-four million, one hundred five thousand, five hundred fourteen".