140035444441 has 8 divisors (see below), whose sum is σ = 147597542280. Its totient is φ = 132655565952.

The previous prime is 140035444429. The next prime is 140035444453. The reversal of 140035444441 is 144444530041.

It is an interprime number because it is at equal distance from previous prime (140035444429) and next prime (140035444453).

It can be written as a sum of positive squares in 4 ways, for example, as 47561067225 + 92474377216 = 218085^2 + 304096^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 140035444441 - 2⁹ = 140035443929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140035444397 and 140035444406.

It is not an unprimeable number, because it can be changed into a prime (140035474441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45553260 + ... + 45556333.

It is an arithmetic number, because the mean of its divisors is an integer number (18449692785).

Almost surely, 2^140035444441 is an apocalyptic number.

It is an amenable number.

140035444441 is a deficient number, since it is larger than the sum of its proper divisors (7562097839).

140035444441 is an equidigital number, since it uses as much as digits as its factorization.

140035444441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91109675.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 140035444441 its reverse (144444530041), we get a palindrome (284479974482).

The spelling of 140035444441 in words is "one hundred forty billion, thirty-five million, four hundred forty-four thousand, four hundred forty-one".