140440243233 has 4 divisors (see below), whose sum is σ = 187253657648. Its totient is φ = 93626828820.

The previous prime is 140440243217. The next prime is 140440243247. The reversal of 140440243233 is 332342044041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140440243233 - 2⁴ = 140440243217 is a prime.

It is a super-3 number, since 3×140440243233³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140440243233.

It is not an unprimeable number, because it can be changed into a prime (140440243253) 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, 23406707203 + ... + 23406707208.

It is an arithmetic number, because the mean of its divisors is an integer number (46813414412).

Almost surely, 2^140440243233 is an apocalyptic number.

It is an amenable number.

140440243233 is a deficient number, since it is larger than the sum of its proper divisors (46813414415).

140440243233 is an equidigital number, since it uses as much as digits as its factorization.

140440243233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46813414414.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 140440243233 its reverse (332342044041), we get a palindrome (472782287274).

The spelling of 140440243233 in words is "one hundred forty billion, four hundred forty million, two hundred forty-three thousand, two hundred thirty-three".