9136868641420 has 192 divisors, whose sum is σ = 21981603764736. Its totient is φ = 3160276992000.

The previous prime is 9136868641391. The next prime is 9136868641463. The reversal of 9136868641420 is 241468686319.

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 63 ways as a sum of consecutive naturals, for example, 1923144045 + ... + 1923148795.

It is an arithmetic number, because the mean of its divisors is an integer number (114487519608).

Almost surely, 2^{9136868641420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9136868641420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10990801882368).

9136868641420 is an abundant number, since it is smaller than the sum of its proper divisors (12844735123316).

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

9136868641420 is a wasteful number, since it uses less digits than its factorization.

9136868641420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740 (or 6738 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 58.

The spelling of 9136868641420 in words is "nine trillion, one hundred thirty-six billion, eight hundred sixty-eight million, six hundred forty-one thousand, four hundred twenty".