140849965 has 8 divisors (see below), whose sum is σ = 173142648. Its totient is φ = 109931520.

The previous prime is 140849941. The next prime is 140849977. The reversal of 140849965 is 569948041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1350244 + 139499721 = 1162^2 + 11811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140849965 - 2⁹ = 140849453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343332 + ... + 343741.

It is an arithmetic number, because the mean of its divisors is an integer number (21642831).

Almost surely, 2^140849965 is an apocalyptic number.

It is an amenable number.

140849965 is a deficient number, since it is larger than the sum of its proper divisors (32292683).

140849965 is an equidigital number, since it uses as much as digits as its factorization.

140849965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687119.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 140849965 is about 11868.0227923610. The cubic root of 140849965 is about 520.2981093905.

The spelling of 140849965 in words is "one hundred forty million, eight hundred forty-nine thousand, nine hundred sixty-five".