140303140 has 24 divisors (see below), whose sum is σ = 297558072. Its totient is φ = 55564800.

The previous prime is 140303129. The next prime is 140303143. The reversal of 140303140 is 41303041.

It can be written as a sum of positive squares in 4 ways, for example, as 21013056 + 119290084 = 4584^2 + 10922^2 .

It is not an unprimeable number, because it can be changed into a prime (140303143) 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 7 ways as a sum of consecutive naturals, for example, 32709 + ... + 36748.

It is an arithmetic number, because the mean of its divisors is an integer number (12398253).

Almost surely, 2^140303140 is an apocalyptic number.

140303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140303140 is an abundant number, since it is smaller than the sum of its proper divisors (157254932).

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

140303140 is a wasteful number, since it uses less digits than its factorization.

140303140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69567 (or 69565 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140303140 is about 11844.9626424063. The cubic root of 140303140 is about 519.6239144555.

Adding to 140303140 its reverse (41303041), we get a palindrome (181606181).

Subtracting from 140303140 its reverse (41303041), we obtain a palindrome (99000099).

The spelling of 140303140 in words is "one hundred forty million, three hundred three thousand, one hundred forty".