140303441 has 2 divisors, whose sum is σ = 140303442. Its totient is φ = 140303440.

The previous prime is 140303437. The next prime is 140303459. The reversal of 140303441 is 144303041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105493441 + 34810000 = 10271^2 + 5900^2 .

It is a cyclic number.

It is not a de Polignac number, because 140303441 - 2² = 140303437 is a prime.

It is not a weakly prime, because it can be changed into another prime (140303461) by changing a digit.

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 as a sum of consecutive naturals, namely, 70151720 + 70151721.

It is an arithmetic number, because the mean of its divisors is an integer number (70151721).

Almost surely, 2^140303441 is an apocalyptic number.

It is an amenable number.

140303441 is a deficient number, since it is larger than the sum of its proper divisors (1).

140303441 is an equidigital number, since it uses as much as digits as its factorization.

140303441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140303441 is about 11844.9753482226. The cubic root of 140303441 is about 519.6242860477.

Adding to 140303441 its reverse (144303041), we get a palindrome (284606482).

It can be divided in two parts, 14030 and 3441, that added together give a palindrome (17471).

The spelling of 140303441 in words is "one hundred forty million, three hundred three thousand, four hundred forty-one".