140035330561 has 12 divisors (see below), whose sum is σ = 165659232240. Its totient is φ = 117995869320.

The previous prime is 140035330541. The next prime is 140035330627. The reversal of 140035330561 is 165033530041.

It is not a de Polignac number, because 140035330561 - 2⁹ = 140035330049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140035330541) 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, 24216295 + ... + 24222076.

It is an arithmetic number, because the mean of its divisors is an integer number (13804936020).

Almost surely, 2^140035330561 is an apocalyptic number.

It is an amenable number.

140035330561 is a deficient number, since it is larger than the sum of its proper divisors (25623901679).

140035330561 is an equidigital number, since it uses as much as digits as its factorization.

140035330561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48438444 (or 48438437 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

It can be divided in two parts, 140035 and 330561, that added together give a square (470596 = 686²).

The spelling of 140035330561 in words is "one hundred forty billion, thirty-five million, three hundred thirty thousand, five hundred sixty-one".