142068539677 has 2 divisors, whose sum is σ = 142068539678. Its totient is φ = 142068539676.

The previous prime is 142068539671. The next prime is 142068539707. The reversal of 142068539677 is 776935860241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90946877476 + 51121662201 = 301574^2 + 226101^2 .

It is a cyclic number.

It is not a de Polignac number, because 142068539677 - 2¹⁹ = 142068015389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142068539671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71034269838 + 71034269839.

It is an arithmetic number, because the mean of its divisors is an integer number (71034269839).

It is a 1-persistent number, because it is pandigital, but 2⋅142068539677 = 284137079354 is not.

Almost surely, 2^142068539677 is an apocalyptic number.

It is an amenable number.

142068539677 is a deficient number, since it is larger than the sum of its proper divisors (1).

142068539677 is an equidigital number, since it uses as much as digits as its factorization.

142068539677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 142068539677 in words is "one hundred forty-two billion, sixty-eight million, five hundred thirty-nine thousand, six hundred seventy-seven".