140203140 has 96 divisors (see below), whose sum is σ = 489452544. Its totient is φ = 29132160.

The previous prime is 140203099. The next prime is 140203157. The reversal of 140203140 is 41302041.

140203140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10554 + ... + 19793.

It is an arithmetic number, because the mean of its divisors is an integer number (5098464).

Almost surely, 2^140203140 is an apocalyptic number.

140203140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140203140 is an abundant number, since it is smaller than the sum of its proper divisors (349249404).

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

140203140 is a wasteful number, since it uses less digits than its factorization.

140203140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30377 (or 30375 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 140203140 is about 11840.7406862915. The cubic root of 140203140 is about 519.5004324445.

Adding to 140203140 its reverse (41302041), we get a palindrome (181505181).

The spelling of 140203140 in words is "one hundred forty million, two hundred three thousand, one hundred forty".