140543263 has 8 divisors (see below), whose sum is σ = 160864928. Its totient is φ = 120282624.

The previous prime is 140543257. The next prime is 140543303. The reversal of 140543263 is 362345041.

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

It is not a de Polignac number, because 140543263 - 2¹³ = 140535071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140543213) 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 7 ways as a sum of consecutive naturals, for example, 10206 + ... + 19627.

It is an arithmetic number, because the mean of its divisors is an integer number (20108116).

Almost surely, 2^140543263 is an apocalyptic number.

140543263 is a deficient number, since it is larger than the sum of its proper divisors (20321665).

140543263 is an equidigital number, since it uses as much as digits as its factorization.

140543263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30513.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 140543263 is about 11855.0943901767. The cubic root of 140543263 is about 519.9201837553.

It can be divided in two parts, 140 and 543263, that added together give a triangular number (543403 = T₁₀₄₂).

The spelling of 140543263 in words is "one hundred forty million, five hundred forty-three thousand, two hundred sixty-three".