140255065 has 16 divisors (see below), whose sum is σ = 170620992. Its totient is φ = 110670784.

The previous prime is 140255057. The next prime is 140255069. The reversal of 140255065 is 560552041.

140255065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140255065 - 2³ = 140255057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140255069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169182 + ... + 170008.

It is an arithmetic number, because the mean of its divisors is an integer number (10663812).

Almost surely, 2^140255065 is an apocalyptic number.

It is an amenable number.

140255065 is a deficient number, since it is larger than the sum of its proper divisors (30365927).

140255065 is a wasteful number, since it uses less digits than its factorization.

140255065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 140255065 is about 11842.9331248640. The cubic root of 140255065 is about 519.5645578046.

The spelling of 140255065 in words is "one hundred forty million, two hundred fifty-five thousand, sixty-five".