142779220059 has 8 divisors (see below), whose sum is σ = 217568335360. Its totient is φ = 81588125736.

The previous prime is 142779220039. The next prime is 142779220127. The reversal of 142779220059 is 950022977241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142779220059 - 2⁵ = 142779220027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142779220039) 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, 3399505219 + ... + 3399505260.

It is an arithmetic number, because the mean of its divisors is an integer number (27196041920).

Almost surely, 2^142779220059 is an apocalyptic number.

142779220059 is a deficient number, since it is larger than the sum of its proper divisors (74789115301).

142779220059 is an equidigital number, since it uses as much as digits as its factorization.

142779220059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799010489.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 142779220059 in words is "one hundred forty-two billion, seven hundred seventy-nine million, two hundred twenty thousand, fifty-nine".