1428135792 has 40 divisors (see below), whose sum is σ = 3739899024. Its totient is φ = 469522944.

The previous prime is 1428135791. The next prime is 1428135809. The reversal of 1428135792 is 2975318241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428135791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200283 + ... + 207290.

Almost surely, 2^1428135792 is an apocalyptic number.

1428135792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428135792 is an abundant number, since it is smaller than the sum of its proper divisors (2311763232).

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

1428135792 is a wasteful number, since it uses less digits than its factorization.

1428135792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407657 (or 407651 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 1428135792 is about 37790.6839313606. The cubic root of 1428135792 is about 1126.1333873595.

The spelling of 1428135792 in words is "one billion, four hundred twenty-eight million, one hundred thirty-five thousand, seven hundred ninety-two".