140024263 has 4 divisors (see below), whose sum is σ = 140951728. Its totient is φ = 139096800.

The previous prime is 140024249. The next prime is 140024309. The reversal of 140024263 is 362420041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140024263 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 (140024363) 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, 463506 + ... + 463807.

It is an arithmetic number, because the mean of its divisors is an integer number (35237932).

Almost surely, 2^140024263 is an apocalyptic number.

140024263 is a deficient number, since it is larger than the sum of its proper divisors (927465).

140024263 is an equidigital number, since it uses as much as digits as its factorization.

140024263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927464.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140024263 is about 11833.1848206643. The cubic root of 140024263 is about 519.2794049963.

The spelling of 140024263 in words is "one hundred forty million, twenty-four thousand, two hundred sixty-three".