140881140468 has 36 divisors (see below), whose sum is σ = 356147466948. Its totient is φ = 46956259200.

The previous prime is 140881140409. The next prime is 140881140479. The reversal of 140881140468 is 864041188041.

140881140468 is a `hidden beast` number, since 1 + 40 + 8 + 8 + 1 + 140 + 468 = 666.

140881140468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 73266579684 + 67614560784 = 270678^2 + 260028^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259030 + ... + 590642.

It is an arithmetic number, because the mean of its divisors is an integer number (9892985193).

Almost surely, 2^140881140468 is an apocalyptic number.

140881140468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

140881140468 is an abundant number, since it is smaller than the sum of its proper divisors (215266326480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140881140468 is a wasteful number, since it uses less digits than its factorization.

140881140468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343424 (or 343419 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The spelling of 140881140468 in words is "one hundred forty billion, eight hundred eighty-one million, one hundred forty thousand, four hundred sixty-eight".