142254390136399 has 2 divisors, whose sum is σ = 142254390136400. Its totient is φ = 142254390136398.

The previous prime is 142254390136319. The next prime is 142254390136429. The reversal of 142254390136399 is 993631093452241.

It is a strong prime.

It is an emirp because it is prime and its reverse (993631093452241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142254390136399 - 2⁴⁵ = 107070018047567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142254390136319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71127195068199 + 71127195068200.

It is an arithmetic number, because the mean of its divisors is an integer number (71127195068200).

Almost surely, 2^{142254390136399} is an apocalyptic number.

142254390136399 is a deficient number, since it is larger than the sum of its proper divisors (1).

142254390136399 is an equidigital number, since it uses as much as digits as its factorization.

142254390136399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37791360, while the sum is 61.

The spelling of 142254390136399 in words is "one hundred forty-two trillion, two hundred fifty-four billion, three hundred ninety million, one hundred thirty-six thousand, three hundred ninety-nine".