142335013 has 2 divisors, whose sum is σ = 142335014. Its totient is φ = 142335012.

The previous prime is 142334993. The next prime is 142335019. The reversal of 142335013 is 310533241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103184964 + 39150049 = 10158^2 + 6257^2 .

It is an emirp because it is prime and its reverse (310533241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142335013 - 2⁹ = 142334501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142335019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71167506 + 71167507.

It is an arithmetic number, because the mean of its divisors is an integer number (71167507).

Almost surely, 2^142335013 is an apocalyptic number.

It is an amenable number.

142335013 is a deficient number, since it is larger than the sum of its proper divisors (1).

142335013 is an equidigital number, since it uses as much as digits as its factorization.

142335013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 142335013 is about 11930.4238399145. The cubic root of 142335013 is about 522.1203034963.

Adding to 142335013 its reverse (310533241), we get a palindrome (452868254).

The spelling of 142335013 in words is "one hundred forty-two million, three hundred thirty-five thousand, thirteen".