3240140353 has 2 divisors, whose sum is σ = 3240140354. Its totient is φ = 3240140352.

The previous prime is 3240140339. The next prime is 3240140363. The reversal of 3240140353 is 3530410423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2517229584 + 722910769 = 50172^2 + 26887^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240140353 - 2¹⁷ = 3240009281 is a prime.

It is not a weakly prime, because it can be changed into another prime (3240140363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620070176 + 1620070177.

It is an arithmetic number, because the mean of its divisors is an integer number (1620070177).

Almost surely, 2^3240140353 is an apocalyptic number.

It is an amenable number.

3240140353 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240140353 is an equidigital number, since it uses as much as digits as its factorization.

3240140353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3240140353 is about 56922.2307451140. The cubic root of 3240140353 is about 1479.7486109727.

Adding to 3240140353 its reverse (3530410423), we get a palindrome (6770550776).

The spelling of 3240140353 in words is "three billion, two hundred forty million, one hundred forty thousand, three hundred fifty-three".