1428288142 has 8 divisors (see below), whose sum is σ = 2142597600. Its totient is φ = 714088944.

The previous prime is 1428288137. The next prime is 1428288181. The reversal of 1428288142 is 2418828241.

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

It is a junction number, because it is equal to n+sod(n) for n = 1428288095 and 1428288104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24459 + ... + 58777.

It is an arithmetic number, because the mean of its divisors is an integer number (267824700).

Almost surely, 2^1428288142 is an apocalyptic number.

1428288142 is a deficient number, since it is larger than the sum of its proper divisors (714309458).

1428288142 is a wasteful number, since it uses less digits than its factorization.

1428288142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55130.

The product of its digits is 65536, while the sum is 40.

The square root of 1428288142 is about 37792.6995860312. The cubic root of 1428288142 is about 1126.1734303121.

The spelling of 1428288142 in words is "one billion, four hundred twenty-eight million, two hundred eighty-eight thousand, one hundred forty-two".