142005134437 has 2 divisors, whose sum is σ = 142005134438. Its totient is φ = 142005134436.

The previous prime is 142005134431. The next prime is 142005134471. The reversal of 142005134437 is 734431500241.

It is an a-pointer prime, because the next prime (142005134471) can be obtained adding 142005134437 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108985156641 + 33019977796 = 330129^2 + 181714^2 .

It is a cyclic number.

It is not a de Polignac number, because 142005134437 - 2¹⁹ = 142004610149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142005134431) 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, 71002567218 + 71002567219.

It is an arithmetic number, because the mean of its divisors is an integer number (71002567219).

Almost surely, 2^142005134437 is an apocalyptic number.

It is an amenable number.

142005134437 is a deficient number, since it is larger than the sum of its proper divisors (1).

142005134437 is an equidigital number, since it uses as much as digits as its factorization.

142005134437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

Adding to 142005134437 its reverse (734431500241), we get a palindrome (876436634678).

The spelling of 142005134437 in words is "one hundred forty-two billion, five million, one hundred thirty-four thousand, four hundred thirty-seven".