142134044121 has 12 divisors (see below), whose sum is σ = 205310964820. Its totient is φ = 94753152000.

The previous prime is 142134044089. The next prime is 142134044149. The reversal of 142134044121 is 121440431241.

142134044121 is a `hidden beast` number, since 1 + 4 + 213 + 4 + 0 + 441 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 95969224521 + 46164819600 = 309789^2 + 214860^2 .

It is not a de Polignac number, because 142134044121 - 2⁵ = 142134044089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142134044191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98121 + ... + 542121.

Almost surely, 2^142134044121 is an apocalyptic number.

It is an amenable number.

142134044121 is a deficient number, since it is larger than the sum of its proper divisors (63176920699).

142134044121 is a wasteful number, since it uses less digits than its factorization.

142134044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479576 (or 479573 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 142134044121 its reverse (121440431241), we get a palindrome (263574475362).

The spelling of 142134044121 in words is "one hundred forty-two billion, one hundred thirty-four million, forty-four thousand, one hundred twenty-one".