142309116809 has 8 divisors (see below), whose sum is σ = 143785662720. Its totient is φ = 140832763776.

The previous prime is 142309116793. The next prime is 142309116847. The reversal of 142309116809 is 908611903241.

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 142309116809 - 2⁴ = 142309116793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142309116809.

It is not an unprimeable number, because it can be changed into a prime (142309116869) 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, 1800332 + ... + 1877714.

It is an arithmetic number, because the mean of its divisors is an integer number (17973207840).

Almost surely, 2^142309116809 is an apocalyptic number.

It is an amenable number.

142309116809 is a deficient number, since it is larger than the sum of its proper divisors (1476545911).

142309116809 is an equidigital number, since it uses as much as digits as its factorization.

142309116809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96439.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 142309116809 in words is "one hundred forty-two billion, three hundred nine million, one hundred sixteen thousand, eight hundred nine".