140111680 has 28 divisors (see below), whose sum is σ = 333641700. Its totient is φ = 56044544.

The previous prime is 140111677. The next prime is 140111683. The reversal of 140111680 is 86111041.

140111680 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (140111677) and next prime (140111683).

It can be written as a sum of positive squares in 2 ways, for example, as 56791296 + 83320384 = 7536^2 + 9128^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140111683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218605 + ... + 219244.

It is an arithmetic number, because the mean of its divisors is an integer number (11915775).

Almost surely, 2^140111680 is an apocalyptic number.

140111680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140111680 is an abundant number, since it is smaller than the sum of its proper divisors (193530020).

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

140111680 is an equidigital number, since it uses as much as digits as its factorization.

140111680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437866 (or 437856 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 140111680 is about 11836.8779667613. The cubic root of 140111680 is about 519.3874443784.

The spelling of 140111680 in words is "one hundred forty million, one hundred eleven thousand, six hundred eighty".