140112240 has 40 divisors (see below), whose sum is σ = 434348688. Its totient is φ = 37363200.

The previous prime is 140112227. The next prime is 140112241. The reversal of 140112240 is 42211041.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140112241) 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, 291661 + ... + 292140.

Almost surely, 2^140112240 is an apocalyptic number.

140112240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140112240 is an abundant number, since it is smaller than the sum of its proper divisors (294236448).

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

140112240 is a wasteful number, since it uses less digits than its factorization.

140112240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583817 (or 583811 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 140112240 is about 11836.9016216238. The cubic root of 140112240 is about 519.3881363421.

Adding to 140112240 its reverse (42211041), we get a palindrome (182323281).

The spelling of 140112240 in words is "one hundred forty million, one hundred twelve thousand, two hundred forty".