140988217617 has 24 divisors (see below), whose sum is σ = 223981290624. Its totient is φ = 84915977184.

The previous prime is 140988217603. The next prime is 140988217679. The reversal of 140988217617 is 716712889041.

140988217617 is a `hidden beast` number, since 1 + 4 + 0 + 9 + 8 + 8 + 2 + 17 + 617 = 666.

It is not a de Polignac number, because 140988217617 - 2¹¹ = 140988215569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140988217417) 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 23 ways as a sum of consecutive naturals, for example, 12813943 + ... + 12824940.

It is an arithmetic number, because the mean of its divisors is an integer number (9332553776).

Almost surely, 2^140988217617 is an apocalyptic number.

It is an amenable number.

140988217617 is a deficient number, since it is larger than the sum of its proper divisors (82993073007).

140988217617 is a wasteful number, since it uses less digits than its factorization.

140988217617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25638949 (or 25638946 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 54.

The spelling of 140988217617 in words is "one hundred forty billion, nine hundred eighty-eight million, two hundred seventeen thousand, six hundred seventeen".