8535392140 has 96 divisors (see below), whose sum is σ = 20010945024. Its totient is φ = 3032040960.

The previous prime is 8535392137. The next prime is 8535392153. The reversal of 8535392140 is 412935358.

It is a junction number, because it is equal to n+sod(n) for n = 8535392093 and 8535392102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1715937 + ... + 1720903.

It is an arithmetic number, because the mean of its divisors is an integer number (208447344).

Almost surely, 2^8535392140 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 8535392140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10005472512).

8535392140 is an abundant number, since it is smaller than the sum of its proper divisors (11475552884).

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

8535392140 is a wasteful number, since it uses less digits than its factorization.

8535392140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5165 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 8535392140 is about 92387.1860162436. The cubic root of 8535392140 is about 2043.6561484770.

The spelling of 8535392140 in words is "eight billion, five hundred thirty-five million, three hundred ninety-two thousand, one hundred forty".