853687140 has 48 divisors (see below), whose sum is σ = 2391627840. Its totient is φ = 227525760.

The previous prime is 853687097. The next prime is 853687151. The reversal of 853687140 is 41786358.

853687140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 853687092 and 853687101.

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, 175866 + ... + 180654.

It is an arithmetic number, because the mean of its divisors is an integer number (49825580).

Almost surely, 2^853687140 is an apocalyptic number.

It is an amenable number.

853687140 is an abundant number, since it is smaller than the sum of its proper divisors (1537940700).

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

853687140 is a wasteful number, since it uses less digits than its factorization.

853687140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7772 (or 7770 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 853687140 is about 29217.9249776571. The cubic root of 853687140 is about 948.6359518930.

The spelling of 853687140 in words is "eight hundred fifty-three million, six hundred eighty-seven thousand, one hundred forty".