140032143 has 12 divisors (see below), whose sum is σ = 202375368. Its totient is φ = 93305520.

The previous prime is 140032141. The next prime is 140032163. The reversal of 140032143 is 341230041.

It is not a de Polignac number, because 140032143 - 2¹ = 140032141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140032141) 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 11 ways as a sum of consecutive naturals, for example, 24121 + ... + 29357.

It is an arithmetic number, because the mean of its divisors is an integer number (16864614).

Almost surely, 2^140032143 is an apocalyptic number.

140032143 is a deficient number, since it is larger than the sum of its proper divisors (62343225).

140032143 is a wasteful number, since it uses less digits than its factorization.

140032143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214 (or 8211 counting only the distinct ones).

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

The square root of 140032143 is about 11833.5177779053. The cubic root of 140032143 is about 519.2891457961.

Adding to 140032143 its reverse (341230041), we get a palindrome (481262184).

The spelling of 140032143 in words is "one hundred forty million, thirty-two thousand, one hundred forty-three".