140440033 has 4 divisors (see below), whose sum is σ = 140467140. Its totient is φ = 140412928.

The previous prime is 140440019. The next prime is 140440037. The reversal of 140440033 is 330044041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 79709184 + 60730849 = 8928^2 + 7793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140440033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140440037) 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, 3088 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (35116785).

Almost surely, 2^140440033 is an apocalyptic number.

It is an amenable number.

140440033 is a deficient number, since it is larger than the sum of its proper divisors (27107).

140440033 is an equidigital number, since it uses as much as digits as its factorization.

140440033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27106.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 140440033 is about 11850.7397659387. The cubic root of 140440033 is about 519.7928575844.

Adding to 140440033 its reverse (330044041), we get a palindrome (470484074).

The spelling of 140440033 in words is "one hundred forty million, four hundred forty thousand, thirty-three".