140847143 has 4 divisors (see below), whose sum is σ = 140872680. Its totient is φ = 140821608.

The previous prime is 140847127. The next prime is 140847163. The reversal of 140847143 is 341748041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140847143 - 2⁴ = 140847127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140847163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 680 + ... + 16797.

It is an arithmetic number, because the mean of its divisors is an integer number (35218170).

Almost surely, 2^140847143 is an apocalyptic number.

140847143 is a deficient number, since it is larger than the sum of its proper divisors (25537).

140847143 is an equidigital number, since it uses as much as digits as its factorization.

140847143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25536.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 140847143 is about 11867.9039008580. The cubic root of 140847143 is about 520.2946345557.

The spelling of 140847143 in words is "one hundred forty million, eight hundred forty-seven thousand, one hundred forty-three".