21134286514 has 32 divisors (see below), whose sum is σ = 35593447680. Its totient is φ = 9329845200.

The previous prime is 21134286469. The next prime is 21134286517. The reversal of 21134286514 is 41568243112.

It is not an unprimeable number, because it can be changed into a prime (21134286517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9649 + ... + 205819.

It is an arithmetic number, because the mean of its divisors is an integer number (1112295240).

Almost surely, 2^21134286514 is an apocalyptic number.

21134286514 is a deficient number, since it is larger than the sum of its proper divisors (14459161166).

21134286514 is a wasteful number, since it uses less digits than its factorization.

21134286514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196326.

The product of its digits is 46080, while the sum is 37.

The spelling of 21134286514 in words is "twenty-one billion, one hundred thirty-four million, two hundred eighty-six thousand, five hundred fourteen".