140117860 has 24 divisors (see below), whose sum is σ = 295134840. Its totient is φ = 55878144.

The previous prime is 140117851. The next prime is 140117867. The reversal of 140117860 is 68711041.

140117860 is digitally balanced in base 3, 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 4 ways, for example, as 23348224 + 116769636 = 4832^2 + 10806^2 .

It is not an unprimeable number, because it can be changed into a prime (140117867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655 + ... + 17134.

It is an arithmetic number, because the mean of its divisors is an integer number (12297285).

Almost surely, 2^140117860 is an apocalyptic number.

140117860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140117860 is an abundant number, since it is smaller than the sum of its proper divisors (155016980).

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

140117860 is a wasteful number, since it uses less digits than its factorization.

140117860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21135 (or 21133 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 140117860 is about 11837.1390124472. The cubic root of 140117860 is about 519.3950805898.

The spelling of 140117860 in words is "one hundred forty million, one hundred seventeen thousand, eight hundred sixty".