142427821866277 has 8 divisors (see below), whose sum is σ = 142884724709720. Its totient is φ = 141970930882560.

The previous prime is 142427821866257. The next prime is 142427821866311. The reversal of 142427821866277 is 772668128724241.

It is a happy number.

142427821866277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6387113871076 + 136040707995201 = 2527274^2 + 11663649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142427821866277 - 2¹⁹ = 142427821341989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142427821866227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21413299 + ... + 27265087.

It is an arithmetic number, because the mean of its divisors is an integer number (17860590588715).

Almost surely, 2^{142427821866277} is an apocalyptic number.

It is an amenable number.

142427821866277 is a deficient number, since it is larger than the sum of its proper divisors (456902843443).

142427821866277 is an equidigital number, since it uses as much as digits as its factorization.

142427821866277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929863.

The product of its digits is 202309632, while the sum is 67.

The spelling of 142427821866277 in words is "one hundred forty-two trillion, four hundred twenty-seven billion, eight hundred twenty-one million, eight hundred sixty-six thousand, two hundred seventy-seven".