142340413 has 2 divisors, whose sum is σ = 142340414. Its totient is φ = 142340412.

The previous prime is 142340377. The next prime is 142340417. The reversal of 142340413 is 314043241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110733529 + 31606884 = 10523^2 + 5622^2 .

It is an emirp because it is prime and its reverse (314043241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142340413 - 2¹³ = 142332221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142340417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71170206 + 71170207.

It is an arithmetic number, because the mean of its divisors is an integer number (71170207).

Almost surely, 2^142340413 is an apocalyptic number.

It is an amenable number.

142340413 is a deficient number, since it is larger than the sum of its proper divisors (1).

142340413 is an equidigital number, since it uses as much as digits as its factorization.

142340413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142340413 is about 11930.6501499290. The cubic root of 142340413 is about 522.1269062614.

Adding to 142340413 its reverse (314043241), we get a palindrome (456383654).

The spelling of 142340413 in words is "one hundred forty-two million, three hundred forty thousand, four hundred thirteen".