140285938 has 32 divisors (see below), whose sum is σ = 240828336. Its totient is φ = 60715008.

The previous prime is 140285927. The next prime is 140285941. The reversal of 140285938 is 839582041.

140285938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 77035729 + 63250209 = 8777^2 + 7953^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140285938.

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, 191020 + ... + 191752.

Almost surely, 2^140285938 is an apocalyptic number.

140285938 is a deficient number, since it is larger than the sum of its proper divisors (100542398).

140285938 is a wasteful number, since it uses less digits than its factorization.

140285938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 140285938 is about 11844.2364886893. The cubic root of 140285938 is about 519.6026772593.

The spelling of 140285938 in words is "one hundred forty million, two hundred eighty-five thousand, nine hundred thirty-eight".