140865441 has 16 divisors (see below), whose sum is σ = 195307200. Its totient is φ = 90200768.

The previous prime is 140865433. The next prime is 140865443. The reversal of 140865441 is 144568041.

140865441 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 140865441 - 2³ = 140865433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140865443) 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, 13030 + ... + 21248.

It is an arithmetic number, because the mean of its divisors is an integer number (12206700).

Almost surely, 2^140865441 is an apocalyptic number.

It is an amenable number.

140865441 is a deficient number, since it is larger than the sum of its proper divisors (54441759).

140865441 is a wasteful number, since it uses less digits than its factorization.

140865441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 140865441 is about 11868.6747785926. The cubic root of 140865441 is about 520.3171647464.

The spelling of 140865441 in words is "one hundred forty million, eight hundred sixty-five thousand, four hundred forty-one".