140663143 has 2 divisors, whose sum is σ = 140663144. Its totient is φ = 140663142.

The previous prime is 140663069. The next prime is 140663177. The reversal of 140663143 is 341366041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140663143 - 2¹⁷ = 140532071 is a prime.

It is a super-3 number, since 3×140663143³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140663443) 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 as a sum of consecutive naturals, namely, 70331571 + 70331572.

It is an arithmetic number, because the mean of its divisors is an integer number (70331572).

Almost surely, 2^140663143 is an apocalyptic number.

140663143 is a deficient number, since it is larger than the sum of its proper divisors (1).

140663143 is an equidigital number, since it uses as much as digits as its factorization.

140663143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 140663143 is about 11860.1493666817. The cubic root of 140663143 is about 520.0679681866.

The spelling of 140663143 in words is "one hundred forty million, six hundred sixty-three thousand, one hundred forty-three".