140332140 has 72 divisors (see below), whose sum is σ = 458425968. Its totient is φ = 34542720.

The previous prime is 140332123. The next prime is 140332169. The reversal of 140332140 is 41233041.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 27646 + ... + 32325.

Almost surely, 2^140332140 is an apocalyptic number.

140332140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140332140 is an abundant number, since it is smaller than the sum of its proper divisors (318093828).

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

140332140 is a wasteful number, since it uses less digits than its factorization.

140332140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59999 (or 59994 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 140332140 is about 11846.1867282261. The cubic root of 140332140 is about 519.6597132632.

Adding to 140332140 its reverse (41233041), we get a palindrome (181565181).

Subtracting from 140332140 its reverse (41233041), we obtain a palindrome (99099099).

The spelling of 140332140 in words is "one hundred forty million, three hundred thirty-two thousand, one hundred forty".