240340456133 has 2 divisors, whose sum is σ = 240340456134. Its totient is φ = 240340456132.

The previous prime is 240340456073. The next prime is 240340456141. The reversal of 240340456133 is 331654043042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 190753183009 + 49587273124 = 436753^2 + 222682^2 .

It is a cyclic number.

It is not a de Polignac number, because 240340456133 - 2¹⁰ = 240340455109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 240340456093 and 240340456102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240340456193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120170228066 + 120170228067.

It is an arithmetic number, because the mean of its divisors is an integer number (120170228067).

Almost surely, 2^240340456133 is an apocalyptic number.

It is an amenable number.

240340456133 is a deficient number, since it is larger than the sum of its proper divisors (1).

240340456133 is an equidigital number, since it uses as much as digits as its factorization.

240340456133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 240340456133 its reverse (331654043042), we get a palindrome (571994499175).

The spelling of 240340456133 in words is "two hundred forty billion, three hundred forty million, four hundred fifty-six thousand, one hundred thirty-three".