142320796309 has 8 divisors (see below), whose sum is σ = 142668988640. Its totient is φ = 141972986736.

The previous prime is 142320796301. The next prime is 142320796381. The reversal of 142320796309 is 903697023241.

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 142320796309 - 2³ = 142320796301 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 (142320796301) 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, 656074 + ... + 845620.

It is an arithmetic number, because the mean of its divisors is an integer number (17833623580).

Almost surely, 2^142320796309 is an apocalyptic number.

It is an amenable number.

142320796309 is a deficient number, since it is larger than the sum of its proper divisors (348192331).

142320796309 is a wasteful number, since it uses less digits than its factorization.

142320796309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191379.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 142320796309 in words is "one hundred forty-two billion, three hundred twenty million, seven hundred ninety-six thousand, three hundred nine".