140641712641 has 16 divisors (see below), whose sum is σ = 146303625600. Its totient is φ = 135034518528.

The previous prime is 140641712483. The next prime is 140641712689. The reversal of 140641712641 is 146217146041.

It is a cyclic number.

It is not a de Polignac number, because 140641712641 - 2²¹ = 140639615489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140641712641.

It is not an unprimeable number, because it can be changed into a prime (140641712041) 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 15 ways as a sum of consecutive naturals, for example, 27797770 + ... + 27802828.

It is an arithmetic number, because the mean of its divisors is an integer number (9143976600).

Almost surely, 2^140641712641 is an apocalyptic number.

It is an amenable number.

140641712641 is a deficient number, since it is larger than the sum of its proper divisors (5661912959).

140641712641 is a wasteful number, since it uses less digits than its factorization.

140641712641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248.

The product of its (nonzero) digits is 32256, while the sum is 37.

Adding to 140641712641 its reverse (146217146041), we get a palindrome (286858858682).

The spelling of 140641712641 in words is "one hundred forty billion, six hundred forty-one million, seven hundred twelve thousand, six hundred forty-one".