140855979988 has 12 divisors (see below), whose sum is σ = 246531251092. Its totient is φ = 70418479680.

The previous prime is 140855979919. The next prime is 140855979997. The reversal of 140855979988 is 889979558041.

It can be written as a sum of positive squares in 2 ways, for example, as 125579514384 + 15276465604 = 354372^2 + 123598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140855979988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344203 + ... + 2403538.

Almost surely, 2^140855979988 is an apocalyptic number.

It is an amenable number.

140855979988 is a deficient number, since it is larger than the sum of its proper divisors (105675271104).

140855979988 is a wasteful number, since it uses less digits than its factorization.

140855979988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755162 (or 4755160 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 73.

The spelling of 140855979988 in words is "one hundred forty billion, eight hundred fifty-five million, nine hundred seventy-nine thousand, nine hundred eighty-eight".