142775134147 has 2 divisors, whose sum is σ = 142775134148. Its totient is φ = 142775134146.

The previous prime is 142775134129. The next prime is 142775134157. The reversal of 142775134147 is 741431577241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142775134147 - 2¹¹ = 142775132099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142775134097 and 142775134106.

It is not a weakly prime, because it can be changed into another prime (142775134127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71387567073 + 71387567074.

It is an arithmetic number, because the mean of its divisors is an integer number (71387567074).

Almost surely, 2^142775134147 is an apocalyptic number.

142775134147 is a deficient number, since it is larger than the sum of its proper divisors (1).

142775134147 is an equidigital number, since it uses as much as digits as its factorization.

142775134147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 46.

The spelling of 142775134147 in words is "one hundred forty-two billion, seven hundred seventy-five million, one hundred thirty-four thousand, one hundred forty-seven".