140563 has 8 divisors (see below), whose sum is σ = 150480. Its totient is φ = 131040.

The previous prime is 140557. The next prime is 140587. The reversal of 140563 is 365041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140563 - 2¹³ = 132371 is a prime.

It is a Duffinian number.

140563 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 140563.

It is not an unprimeable number, because it can be changed into a prime (140533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008 + ... + 1138.

It is an arithmetic number, because the mean of its divisors is an integer number (18810).

2¹⁴⁰⁵⁶³ is an apocalyptic number.

140563 is a deficient number, since it is larger than the sum of its proper divisors (9917).

140563 is a wasteful number, since it uses less digits than its factorization.

140563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 140563 is about 374.9173242196. The cubic root of 140563 is about 51.9944520708.

It can be divided in two parts, 140 and 563, that added together give a triangular number (703 = T₃₇).

The spelling of 140563 in words is "one hundred forty thousand, five hundred sixty-three".