140140255 has 16 divisors (see below), whose sum is σ = 173968704. Its totient is φ = 108299520.

The previous prime is 140140237. The next prime is 140140261. The reversal of 140140255 is 552041041.

It is not a de Polignac number, because 140140255 - 2¹⁹ = 139615967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17797 + ... + 24433.

It is an arithmetic number, because the mean of its divisors is an integer number (10873044).

Almost surely, 2^140140255 is an apocalyptic number.

140140255 is a deficient number, since it is larger than the sum of its proper divisors (33828449).

140140255 is a wasteful number, since it uses less digits than its factorization.

140140255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6786.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 140140255 is about 11838.0849380295. The cubic root of 140140255 is about 519.4227507079.

Adding to 140140255 its reverse (552041041), we get a palindrome (692181296).

The spelling of 140140255 in words is "one hundred forty million, one hundred forty thousand, two hundred fifty-five".