1428726835 has 8 divisors (see below), whose sum is σ = 1815323616. Its totient is φ = 1075747200.

The previous prime is 1428726829. The next prime is 1428726841. The reversal of 1428726835 is 5386278241.

It is an interprime number because it is at equal distance from previous prime (1428726829) and next prime (1428726841).

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

It is not a de Polignac number, because 1428726835 - 2⁷ = 1428726707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8404191 + ... + 8404360.

It is an arithmetic number, because the mean of its divisors is an integer number (226915452).

Almost surely, 2^1428726835 is an apocalyptic number.

1428726835 is a deficient number, since it is larger than the sum of its proper divisors (386596781).

1428726835 is a wasteful number, since it uses less digits than its factorization.

1428726835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16808573.

The product of its digits is 645120, while the sum is 46.

The square root of 1428726835 is about 37798.5030788258. The cubic root of 1428726835 is about 1126.2887184003.

The spelling of 1428726835 in words is "one billion, four hundred twenty-eight million, seven hundred twenty-six thousand, eight hundred thirty-five".