140965 has 12 divisors (see below), whose sum is σ = 186732. Its totient is φ = 102080.

The previous prime is 140939. The next prime is 140977. The reversal of 140965 is 569041.

It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 101761 = 198^2 + 319^2 .

It is not a de Polignac number, because 140965 - 2⁷ = 140837 is a prime.

It is a super-2 number, since 2×140965² = 39742262450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489 + ... + 721.

It is an arithmetic number, because the mean of its divisors is an integer number (15561).

2¹⁴⁰⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

140965 is a deficient number, since it is larger than the sum of its proper divisors (45767).

140965 is a wasteful number, since it uses less digits than its factorization.

140965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 140965 is about 375.4530596493. The cubic root of 140965 is about 52.0439716824.

The spelling of 140965 in words is "one hundred forty thousand, nine hundred sixty-five".