142122705009 has 16 divisors (see below), whose sum is σ = 190261505280. Its totient is φ = 94366863360.

The previous prime is 142122705007. The next prime is 142122705061. The reversal of 142122705009 is 900507221241.

It is not a de Polignac number, because 142122705009 - 2¹ = 142122705007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142122705007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762739 + ... + 930599.

It is an arithmetic number, because the mean of its divisors is an integer number (11891344080).

Almost surely, 2^142122705009 is an apocalyptic number.

It is an amenable number.

142122705009 is a deficient number, since it is larger than the sum of its proper divisors (48138800271).

142122705009 is a wasteful number, since it uses less digits than its factorization.

142122705009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169000.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 142122705009 in words is "one hundred forty-two billion, one hundred twenty-two million, seven hundred five thousand, nine".