142211433137 has 2 divisors, whose sum is σ = 142211433138. Its totient is φ = 142211433136.

The previous prime is 142211433097. The next prime is 142211433179. The reversal of 142211433137 is 731334112241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127451856016 + 14759577121 = 357004^2 + 121489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142211433137 is a prime.

It is not a weakly prime, because it can be changed into another prime (142211433437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71105716568 + 71105716569.

It is an arithmetic number, because the mean of its divisors is an integer number (71105716569).

Almost surely, 2^142211433137 is an apocalyptic number.

It is an amenable number.

142211433137 is a deficient number, since it is larger than the sum of its proper divisors (1).

142211433137 is an equidigital number, since it uses as much as digits as its factorization.

142211433137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

Adding to 142211433137 its reverse (731334112241), we get a palindrome (873545545378).

The spelling of 142211433137 in words is "one hundred forty-two billion, two hundred eleven million, four hundred thirty-three thousand, one hundred thirty-seven".