142254390136319 has 2 divisors, whose sum is σ = 142254390136320. Its totient is φ = 142254390136318.

The previous prime is 142254390136307. The next prime is 142254390136399. The reversal of 142254390136319 is 913631093452241.

It is a happy number.

142254390136319 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 is a cyclic number.

It is not a de Polignac number, because 142254390136319 - 2²⁴ = 142254373359103 is a prime.

It is a super-2 number, since 2×142254390136319² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142254390136399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71127195068159 + 71127195068160.

It is an arithmetic number, because the mean of its divisors is an integer number (71127195068160).

Almost surely, 2^{142254390136319} is an apocalyptic number.

142254390136319 is a deficient number, since it is larger than the sum of its proper divisors (1).

142254390136319 is an equidigital number, since it uses as much as digits as its factorization.

142254390136319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 142254390136319 in words is "one hundred forty-two trillion, two hundred fifty-four billion, three hundred ninety million, one hundred thirty-six thousand, three hundred nineteen".