140255366 has 16 divisors (see below), whose sum is σ = 212004864. Its totient is φ = 69589704.

The previous prime is 140255363. The next prime is 140255387. The reversal of 140255366 is 663552041.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140255363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216455 + ... + 217101.

It is an arithmetic number, because the mean of its divisors is an integer number (13250304).

Almost surely, 2^140255366 is an apocalyptic number.

140255366 is a deficient number, since it is larger than the sum of its proper divisors (71749498).

140255366 is a wasteful number, since it uses less digits than its factorization.

140255366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 140255366 is about 11842.9458328576. The cubic root of 140255366 is about 519.5649294818.

It can be divided in two parts, 14025 and 5366, that added together give a palindrome (19391).

The spelling of 140255366 in words is "one hundred forty million, two hundred fifty-five thousand, three hundred sixty-six".