240135743 has 2 divisors, whose sum is σ = 240135744. Its totient is φ = 240135742.

The previous prime is 240135733. The next prime is 240135751. The reversal of 240135743 is 347531042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240135743 - 2²⁶ = 173026879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240135733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120067871 + 120067872.

It is an arithmetic number, because the mean of its divisors is an integer number (120067872).

Almost surely, 2^240135743 is an apocalyptic number.

240135743 is a deficient number, since it is larger than the sum of its proper divisors (1).

240135743 is an equidigital number, since it uses as much as digits as its factorization.

240135743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 240135743 is about 15496.3138520101. The cubic root of 240135743 is about 621.5636416261.

Adding to 240135743 its reverse (347531042), we get a palindrome (587666785).

The spelling of 240135743 in words is "two hundred forty million, one hundred thirty-five thousand, seven hundred forty-three".