21700733134 has 32 divisors (see below), whose sum is σ = 33591075840. Its totient is φ = 10507838400.

The previous prime is 21700733107. The next prime is 21700733177. The reversal of 21700733134 is 43133700712.

It is a junction number, because it is equal to n+sod(n) for n = 21700733096 and 21700733105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11902947 + ... + 11904769.

It is an arithmetic number, because the mean of its divisors is an integer number (1049721120).

Almost surely, 2^21700733134 is an apocalyptic number.

21700733134 is a deficient number, since it is larger than the sum of its proper divisors (11890342706).

21700733134 is a wasteful number, since it uses less digits than its factorization.

21700733134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856.

The product of its (nonzero) digits is 10584, while the sum is 31.

The spelling of 21700733134 in words is "twenty-one billion, seven hundred million, seven hundred thirty-three thousand, one hundred thirty-four".