140230285 has 24 divisors (see below), whose sum is σ = 183199104. Its totient is φ = 102997440.

The previous prime is 140230261. The next prime is 140230301. The reversal of 140230285 is 582032041.

It is not a de Polignac number, because 140230285 - 2⁷ = 140230157 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 23 ways as a sum of consecutive naturals, for example, 221920 + ... + 222550.

It is an arithmetic number, because the mean of its divisors is an integer number (7633296).

Almost surely, 2^140230285 is an apocalyptic number.

It is an amenable number.

140230285 is a deficient number, since it is larger than the sum of its proper divisors (42968819).

140230285 is a wasteful number, since it uses less digits than its factorization.

140230285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 140230285 is about 11841.8868851210. The cubic root of 140230285 is about 519.5339574408.

The spelling of 140230285 in words is "one hundred forty million, two hundred thirty thousand, two hundred eighty-five".