140873140 has 12 divisors (see below), whose sum is σ = 295833636. Its totient is φ = 56349248.

The previous prime is 140873129. The next prime is 140873143. The reversal of 140873140 is 41378041.

It can be written as a sum of positive squares in 2 ways, for example, as 52475536 + 88397604 = 7244^2 + 9402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 140873099 and 140873108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140873143) 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, 3521809 + ... + 3521848.

It is an arithmetic number, because the mean of its divisors is an integer number (24652803).

Almost surely, 2^140873140 is an apocalyptic number.

140873140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140873140 is an abundant number, since it is smaller than the sum of its proper divisors (154960496).

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

140873140 is a wasteful number, since it uses less digits than its factorization.

140873140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043666 (or 7043664 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 140873140 is about 11868.9991153425. Note that the first 3 decimals coincide. The cubic root of 140873140 is about 520.3266438844.

The spelling of 140873140 in words is "one hundred forty million, eight hundred seventy-three thousand, one hundred forty".