140242033 has 2 divisors, whose sum is σ = 140242034. Its totient is φ = 140242032.

The previous prime is 140242013. The next prime is 140242087. The reversal of 140242033 is 330242041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96589584 + 43652449 = 9828^2 + 6607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140242033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140242033.

It is not a weakly prime, because it can be changed into another prime (140242013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70121016 + 70121017.

It is an arithmetic number, because the mean of its divisors is an integer number (70121017).

Almost surely, 2^140242033 is an apocalyptic number.

It is an amenable number.

140242033 is a deficient number, since it is larger than the sum of its proper divisors (1).

140242033 is an equidigital number, since it uses as much as digits as its factorization.

140242033 is an odious number, because the sum of its binary digits is odd.

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

The square root of 140242033 is about 11842.3829105463. The cubic root of 140242033 is about 519.5484652782.

Adding to 140242033 its reverse (330242041), we get a palindrome (470484074).

The spelling of 140242033 in words is "one hundred forty million, two hundred forty-two thousand, thirty-three".