140159143 has 4 divisors (see below), whose sum is σ = 147535960. Its totient is φ = 132782328.

The previous prime is 140159141. The next prime is 140159167. The reversal of 140159143 is 341951041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341951041 = 137 ⋅2495993.

It is a cyclic number.

It is not a de Polignac number, because 140159143 - 2¹ = 140159141 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 (140159141) 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 3 ways as a sum of consecutive naturals, for example, 3688380 + ... + 3688417.

It is an arithmetic number, because the mean of its divisors is an integer number (36883990).

Almost surely, 2^140159143 is an apocalyptic number.

140159143 is a deficient number, since it is larger than the sum of its proper divisors (7376817).

140159143 is an equidigital number, since it uses as much as digits as its factorization.

140159143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376816.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 140159143 is about 11838.8826753203. The cubic root of 140159143 is about 519.4460854644.

The spelling of 140159143 in words is "one hundred forty million, one hundred fifty-nine thousand, one hundred forty-three".