140853685 has 12 divisors (see below), whose sum is σ = 196620588. Its totient is φ = 96585216.

The previous prime is 140853641. The next prime is 140853751. The reversal of 140853685 is 586358041.

It can be written as a sum of positive squares in 2 ways, for example, as 97002801 + 43850884 = 9849^2 + 6622^2 .

It is not a de Polignac number, because 140853685 - 2²⁵ = 107299253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287212 + ... + 287701.

It is an arithmetic number, because the mean of its divisors is an integer number (16385049).

Almost surely, 2^140853685 is an apocalyptic number.

It is an amenable number.

140853685 is a deficient number, since it is larger than the sum of its proper divisors (55766903).

140853685 is an equidigital number, since it uses as much as digits as its factorization.

140853685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574932 (or 574925 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 140853685 is about 11868.1795149888. The cubic root of 140853685 is about 520.3026898955.

The spelling of 140853685 in words is "one hundred forty million, eight hundred fifty-three thousand, six hundred eighty-five".