142134929 has 2 divisors, whose sum is σ = 142134930. Its totient is φ = 142134928.

The previous prime is 142134857. The next prime is 142134959. The reversal of 142134929 is 929431241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127080529 + 15054400 = 11273^2 + 3880^2 .

It is an emirp because it is prime and its reverse (929431241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142134929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142134959) 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, 71067464 + 71067465.

It is an arithmetic number, because the mean of its divisors is an integer number (71067465).

Almost surely, 2^142134929 is an apocalyptic number.

It is an amenable number.

142134929 is a deficient number, since it is larger than the sum of its proper divisors (1).

142134929 is an equidigital number, since it uses as much as digits as its factorization.

142134929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 142134929 is about 11922.0354386321. The cubic root of 142134929 is about 521.8755361081.

The spelling of 142134929 in words is "one hundred forty-two million, one hundred thirty-four thousand, nine hundred twenty-nine".