1428028142 has 8 divisors (see below), whose sum is σ = 2144237616. Its totient is φ = 713282272.

The previous prime is 1428028141. The next prime is 1428028159. The reversal of 1428028142 is 2418208241.

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 = 1428028099 and 1428028108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428028141) 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, 363458 + ... + 367365.

It is an arithmetic number, because the mean of its divisors is an integer number (268029702).

Almost surely, 2^1428028142 is an apocalyptic number.

1428028142 is a deficient number, since it is larger than the sum of its proper divisors (716209474).

1428028142 is an equidigital number, since it uses as much as digits as its factorization.

1428028142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731802.

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 1428028142 is about 37789.2596116939. The cubic root of 1428028142 is about 1126.1050914263.

The spelling of 1428028142 in words is "one billion, four hundred twenty-eight million, twenty-eight thousand, one hundred forty-two".