140532642223 has 4 divisors (see below), whose sum is σ = 140722808920. Its totient is φ = 140342475528.

The previous prime is 140532642149. The next prime is 140532642253. The reversal of 140532642223 is 322246235041.

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-140532642223 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 (140532642253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95082240 + ... + 95083717.

It is an arithmetic number, because the mean of its divisors is an integer number (35180702230).

Almost surely, 2^140532642223 is an apocalyptic number.

140532642223 is a deficient number, since it is larger than the sum of its proper divisors (190166697).

140532642223 is an equidigital number, since it uses as much as digits as its factorization.

140532642223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190166696.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 140532642223 its reverse (322246235041), we get a palindrome (462778877264).

The spelling of 140532642223 in words is "one hundred forty billion, five hundred thirty-two million, six hundred forty-two thousand, two hundred twenty-three".