142004029 has 2 divisors, whose sum is σ = 142004030. Its totient is φ = 142004028.

The previous prime is 142003999. The next prime is 142004063. The reversal of 142004029 is 920400241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141063129 + 940900 = 11877^2 + 970^2 .

It is an emirp because it is prime and its reverse (920400241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142004029 - 2¹⁵ = 141971261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142004069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71002014 + 71002015.

It is an arithmetic number, because the mean of its divisors is an integer number (71002015).

Almost surely, 2^142004029 is an apocalyptic number.

It is an amenable number.

142004029 is a deficient number, since it is larger than the sum of its proper divisors (1).

142004029 is an equidigital number, since it uses as much as digits as its factorization.

142004029 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 22.

The square root of 142004029 is about 11916.5443396985. The cubic root of 142004029 is about 521.7152787851.

The spelling of 142004029 in words is "one hundred forty-two million, four thousand, twenty-nine".