140440301 has 8 divisors (see below), whose sum is σ = 148025880. Its totient is φ = 133037632.

The previous prime is 140440297. The next prime is 140440331. The reversal of 140440301 is 103044041.

It can be written as a sum of positive squares in 4 ways, for example, as 81902500 + 58537801 = 9050^2 + 7651^2 .

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

It is not a de Polignac number, because 140440301 - 2² = 140440297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140440301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140440331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44150 + ... + 47223.

It is an arithmetic number, because the mean of its divisors is an integer number (18503235).

Almost surely, 2^140440301 is an apocalyptic number.

It is an amenable number.

140440301 is a deficient number, since it is larger than the sum of its proper divisors (7585579).

140440301 is an equidigital number, since it uses as much as digits as its factorization.

140440301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91455.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140440301 is about 11850.7510732443. The cubic root of 140440301 is about 519.7931882223.

Adding to 140440301 its reverse (103044041), we get a palindrome (243484342).

The spelling of 140440301 in words is "one hundred forty million, four hundred forty thousand, three hundred one".