240535133 has 2 divisors, whose sum is σ = 240535134. Its totient is φ = 240535132.

The previous prime is 240535123. The next prime is 240535181. The reversal of 240535133 is 331535042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 115498009 = 11182^2 + 10747^2 .

It is a cyclic number.

It is not a de Polignac number, because 240535133 - 2¹⁴ = 240518749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240535123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120267566 + 120267567.

It is an arithmetic number, because the mean of its divisors is an integer number (120267567).

Almost surely, 2^240535133 is an apocalyptic number.

It is an amenable number.

240535133 is a deficient number, since it is larger than the sum of its proper divisors (1).

240535133 is an equidigital number, since it uses as much as digits as its factorization.

240535133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 240535133 is about 15509.1951112880. The cubic root of 240535133 is about 621.9080423947.

Subtracting 240535133 from its reverse (331535042), we obtain a palindrome (90999909).

The spelling of 240535133 in words is "two hundred forty million, five hundred thirty-five thousand, one hundred thirty-three".