140844263 has 8 divisors (see below), whose sum is σ = 161036832. Its totient is φ = 120669696.

The previous prime is 140844239. The next prime is 140844299. The reversal of 140844263 is 362448041.

140844263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140844263 - 2⁶ = 140844199 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 (140844233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26831 + ... + 31647.

It is an arithmetic number, because the mean of its divisors is an integer number (20129604).

Almost surely, 2^140844263 is an apocalyptic number.

140844263 is a deficient number, since it is larger than the sum of its proper divisors (20192569).

140844263 is an equidigital number, since it uses as much as digits as its factorization.

140844263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9001.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 140844263 is about 11867.7825645737. The cubic root of 140844263 is about 520.2910882555.

The spelling of 140844263 in words is "one hundred forty million, eight hundred forty-four thousand, two hundred sixty-three".