140441033 has 4 divisors (see below), whose sum is σ = 141683988. Its totient is φ = 139198080.

The previous prime is 140441009. The next prime is 140441051. The reversal of 140441033 is 330144041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330144041 = 67 ⋅4927523.

It can be written as a sum of positive squares in 2 ways, for example, as 60016009 + 80425024 = 7747^2 + 8968^2 .

It is a cyclic number.

It is not a de Polignac number, because 140441033 - 2¹⁶ = 140375497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140440996 and 140441014.

It is not an unprimeable number, because it can be changed into a prime (140441003) 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, 621308 + ... + 621533.

It is an arithmetic number, because the mean of its divisors is an integer number (35420997).

Almost surely, 2^140441033 is an apocalyptic number.

It is an amenable number.

140441033 is a deficient number, since it is larger than the sum of its proper divisors (1242955).

140441033 is a wasteful number, since it uses less digits than its factorization.

140441033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242954.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140441033 is about 11850.7819573225. The cubic root of 140441033 is about 519.7940913058.

Adding to 140441033 its reverse (330144041), we get a palindrome (470585074).

The spelling of 140441033 in words is "one hundred forty million, four hundred forty-one thousand, thirty-three".