140944657841 has 16 divisors (see below), whose sum is σ = 153294721104. Its totient is φ = 128812529664.

The previous prime is 140944657831. The next prime is 140944657871. The reversal of 140944657841 is 148756449041.

It can be written as a sum of positive squares in 8 ways, for example, as 68292846241 + 72651811600 = 261329^2 + 269540^2 .

It is not a de Polignac number, because 140944657841 - 2¹⁰ = 140944656817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140944657831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325255 + ... + 1427651.

It is an arithmetic number, because the mean of its divisors is an integer number (9580920069).

Almost surely, 2^140944657841 is an apocalyptic number.

It is an amenable number.

140944657841 is a deficient number, since it is larger than the sum of its proper divisors (12350063263).

140944657841 is a wasteful number, since it uses less digits than its factorization.

140944657841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103460.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 140944657841 in words is "one hundred forty billion, nine hundred forty-four million, six hundred fifty-seven thousand, eight hundred forty-one".