142040343034493 has 2 divisors, whose sum is σ = 142040343034494. Its totient is φ = 142040343034492.

The previous prime is 142040343034409. The next prime is 142040343034523. The reversal of 142040343034493 is 394430343040241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138841492742404 + 3198850292089 = 11783102^2 + 1788533^2 .

It is a cyclic number.

It is not a de Polignac number, because 142040343034493 - 2¹⁶ = 142040342968957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142040343034393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71020171517246 + 71020171517247.

It is an arithmetic number, because the mean of its divisors is an integer number (71020171517247).

Almost surely, 2^{142040343034493} is an apocalyptic number.

It is an amenable number.

142040343034493 is a deficient number, since it is larger than the sum of its proper divisors (1).

142040343034493 is an equidigital number, since it uses as much as digits as its factorization.

142040343034493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1492992, while the sum is 44.

The spelling of 142040343034493 in words is "one hundred forty-two trillion, forty billion, three hundred forty-three million, thirty-four thousand, four hundred ninety-three".