142034213 has 2 divisors, whose sum is σ = 142034214. Its totient is φ = 142034212.

The previous prime is 142034197. The next prime is 142034251. The reversal of 142034213 is 312430241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73839649 + 68194564 = 8593^2 + 8258^2 .

It is a cyclic number.

It is not a de Polignac number, because 142034213 - 2⁴ = 142034197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142024213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71017106 + 71017107.

It is an arithmetic number, because the mean of its divisors is an integer number (71017107).

Almost surely, 2^142034213 is an apocalyptic number.

It is an amenable number.

142034213 is a deficient number, since it is larger than the sum of its proper divisors (1).

142034213 is an equidigital number, since it uses as much as digits as its factorization.

142034213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 142034213 is about 11917.8107469451. The cubic root of 142034213 is about 521.7522409720.

Adding to 142034213 its reverse (312430241), we get a palindrome (454464454).

The spelling of 142034213 in words is "one hundred forty-two million, thirty-four thousand, two hundred thirteen".