142134032981 has 2 divisors, whose sum is σ = 142134032982. Its totient is φ = 142134032980.

The previous prime is 142134032927. The next prime is 142134033049. The reversal of 142134032981 is 189230431241.

142134032981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141275249956 + 858783025 = 375866^2 + 29305^2 .

It is a cyclic number.

It is not a de Polignac number, because 142134032981 - 2²² = 142129838677 is a prime.

It is a super-2 number, since 2×142134032981² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142134032081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71067016490 + 71067016491.

It is an arithmetic number, because the mean of its divisors is an integer number (71067016491).

Almost surely, 2^142134032981 is an apocalyptic number.

It is an amenable number.

142134032981 is a deficient number, since it is larger than the sum of its proper divisors (1).

142134032981 is an equidigital number, since it uses as much as digits as its factorization.

142134032981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 142134032981 in words is "one hundred forty-two billion, one hundred thirty-four million, thirty-two thousand, nine hundred eighty-one".