142400203427 has 2 divisors, whose sum is σ = 142400203428. Its totient is φ = 142400203426.

The previous prime is 142400203417. The next prime is 142400203433. The reversal of 142400203427 is 724302004241.

142400203427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142400203427 - 2³² = 138105236131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142400203427.

It is not a weakly prime, because it can be changed into another prime (142400203417) 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, 71200101713 + 71200101714.

It is an arithmetic number, because the mean of its divisors is an integer number (71200101714).

Almost surely, 2^142400203427 is an apocalyptic number.

142400203427 is a deficient number, since it is larger than the sum of its proper divisors (1).

142400203427 is an equidigital number, since it uses as much as digits as its factorization.

142400203427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 142400203427 its reverse (724302004241), we get a palindrome (866702207668).

The spelling of 142400203427 in words is "one hundred forty-two billion, four hundred million, two hundred three thousand, four hundred twenty-seven".