1428696135 has 24 divisors (see below), whose sum is σ = 2483183040. Its totient is φ = 759886272.

The previous prime is 1428696121. The next prime is 1428696173. The reversal of 1428696135 is 5316968241.

1428696135 is a `hidden beast` number, since 1 + 4 + 28 + 6 + 9 + 613 + 5 = 666.

It is not a de Polignac number, because 1428696135 - 2¹⁹ = 1428171847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 26740 + ... + 59769.

It is an arithmetic number, because the mean of its divisors is an integer number (103465960).

Almost surely, 2^1428696135 is an apocalyptic number.

1428696135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1428696135 is a deficient number, since it is larger than the sum of its proper divisors (1054486905).

1428696135 is a wasteful number, since it uses less digits than its factorization.

1428696135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86887 (or 86884 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 1428696135 is about 37798.0969759061. The cubic root of 1428696135 is about 1126.2806512386.

The spelling of 1428696135 in words is "one billion, four hundred twenty-eight million, six hundred ninety-six thousand, one hundred thirty-five".