8146820748140 has 48 divisors (see below), whose sum is σ = 17127343779840. Its totient is φ = 3255106795200.

The previous prime is 8146820748037. The next prime is 8146820748173. The reversal of 8146820748140 is 418470286418.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 99842999 + ... + 99924561.

It is an arithmetic number, because the mean of its divisors is an integer number (356819662080).

Almost surely, 2^{8146820748140} is an apocalyptic number.

It is an amenable number.

8146820748140 is an abundant number, since it is smaller than the sum of its proper divisors (8980523031700).

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

8146820748140 is a wasteful number, since it uses less digits than its factorization.

8146820748140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87062 (or 87060 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 53.

The spelling of 8146820748140 in words is "eight trillion, one hundred forty-six billion, eight hundred twenty million, seven hundred forty-eight thousand, one hundred forty".