140241305 has 12 divisors (see below), whose sum is σ = 170249772. Its totient is φ = 110901120.

The previous prime is 140241301. The next prime is 140241307. The reversal of 140241305 is 503142041.

It can be written as a sum of positive squares in 6 ways, for example, as 25836889 + 114404416 = 5083^2 + 10696^2 .

It is not a de Polignac number, because 140241305 - 2² = 140241301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140241301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37835 + ... + 41375.

It is an arithmetic number, because the mean of its divisors is an integer number (14187481).

Almost surely, 2^140241305 is an apocalyptic number.

It is an amenable number.

140241305 is a deficient number, since it is larger than the sum of its proper divisors (30008467).

140241305 is an frugal number, since it uses more digits than its factorization.

140241305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3724 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140241305 is about 11842.3521734493. The cubic root of 140241305 is about 519.5475662801.

Adding to 140241305 its reverse (503142041), we get a palindrome (643383346).

The spelling of 140241305 in words is "one hundred forty million, two hundred forty-one thousand, three hundred five".