1333728045 has 32 divisors (see below), whose sum is σ = 2553465600. Its totient is φ = 656603712.

The previous prime is 1333728023. The next prime is 1333728083. The reversal of 1333728045 is 5408273331.

1333728045 is a `hidden beast` number, since 1 + 3 + 337 + 280 + 45 = 666.

It is not a de Polignac number, because 1333728045 - 2¹⁹ = 1333203757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378225 + ... + 381734.

It is an arithmetic number, because the mean of its divisors is an integer number (79795800).

Almost surely, 2^1333728045 is an apocalyptic number.

1333728045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1333728045 is a deficient number, since it is larger than the sum of its proper divisors (1219737555).

1333728045 is a wasteful number, since it uses less digits than its factorization.

1333728045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759986 (or 759980 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 1333728045 is about 36520.2415791572. The cubic root of 1333728045 is about 1100.7510146833.

The spelling of 1333728045 in words is "one billion, three hundred thirty-three million, seven hundred twenty-eight thousand, forty-five".