140560265 has 4 divisors (see below), whose sum is σ = 168672324. Its totient is φ = 112448208.

The previous prime is 140560253. The next prime is 140560297. The reversal of 140560265 is 562065041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562065041 = 61 ⋅9214181.

It can be written as a sum of positive squares in 2 ways, for example, as 26091664 + 114468601 = 5108^2 + 10699^2 .

It is a cyclic number.

It is not a de Polignac number, because 140560265 - 2⁸ = 140560009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14056022 + ... + 14056031.

It is an arithmetic number, because the mean of its divisors is an integer number (42168081).

Almost surely, 2^140560265 is an apocalyptic number.

It is an amenable number.

140560265 is a deficient number, since it is larger than the sum of its proper divisors (28112059).

140560265 is an equidigital number, since it uses as much as digits as its factorization.

140560265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28112058.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 140560265 is about 11855.8114441821. The cubic root of 140560265 is about 519.9411484186.

The spelling of 140560265 in words is "one hundred forty million, five hundred sixty thousand, two hundred sixty-five".