21136754301304 has 96 divisors (see below), whose sum is σ = 44034627276000. Its totient is φ = 9491633141760.

The previous prime is 21136754301263. The next prime is 21136754301329. The reversal of 21136754301304 is 40310345763112.

It is a happy number.

It is a super-2 number, since 2×21136754301304² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21915022 + ... + 22859170.

It is an arithmetic number, because the mean of its divisors is an integer number (458694034125).

Almost surely, 2^{21136754301304} is an apocalyptic number.

It is an amenable number.

21136754301304 is an abundant number, since it is smaller than the sum of its proper divisors (22897872974696).

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

21136754301304 is a wasteful number, since it uses less digits than its factorization.

21136754301304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944633 (or 944612 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 21136754301304 in words is "twenty-one trillion, one hundred thirty-six billion, seven hundred fifty-four million, three hundred one thousand, three hundred four".