8193385140 has 48 divisors (see below), whose sum is σ = 23003046528. Its totient is φ = 2179039104.

The previous prime is 8193385133. The next prime is 8193385159. The reversal of 8193385140 is 415833918.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8193385092 and 8193385101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160672 + ... + 205431.

It is an arithmetic number, because the mean of its divisors is an integer number (479230136).

Almost surely, 2^8193385140 is an apocalyptic number.

It is an amenable number.

8193385140 is an abundant number, since it is smaller than the sum of its proper divisors (14809661388).

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

8193385140 is a wasteful number, since it uses less digits than its factorization.

8193385140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366488 (or 366486 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 8193385140 is about 90517.3195581928. The cubic root of 8193385140 is about 2015.9872910748.

The spelling of 8193385140 in words is "eight billion, one hundred ninety-three million, three hundred eighty-five thousand, one hundred forty".