1333940728 has 8 divisors (see below), whose sum is σ = 2501138880. Its totient is φ = 666970360.

The previous prime is 1333940701. The next prime is 1333940747. The reversal of 1333940728 is 8270493331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83371288 + ... + 83371303.

It is an arithmetic number, because the mean of its divisors is an integer number (312642360).

Almost surely, 2^1333940728 is an apocalyptic number.

It is an amenable number.

1333940728 is a deficient number, since it is larger than the sum of its proper divisors (1167198152).

1333940728 is a wasteful number, since it uses less digits than its factorization.

1333940728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166742597 (or 166742593 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1333940728 is about 36523.1533140281. The cubic root of 1333940728 is about 1100.8095220094.

The spelling of 1333940728 in words is "one billion, three hundred thirty-three million, nine hundred forty thousand, seven hundred twenty-eight".