1028768142 has 8 divisors (see below), whose sum is σ = 2057536296. Its totient is φ = 342922712.

The previous prime is 1028768137. The next prime is 1028768149. The reversal of 1028768142 is 2418678201.

It is a happy number.

1028768142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

1028768142 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028768142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028768149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85730673 + ... + 85730684.

It is an arithmetic number, because the mean of its divisors is an integer number (257192037).

Almost surely, 2^1028768142 is an apocalyptic number.

1028768142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028768142 is a wasteful number, since it uses less digits than its factorization.

1028768142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171461362.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 1028768142 is about 32074.4156922616. The cubic root of 1028768142 is about 1009.4988665123.

The spelling of 1028768142 in words is "one billion, twenty-eight million, seven hundred sixty-eight thousand, one hundred forty-two".