1536728756 has 6 divisors (see below), whose sum is σ = 2689275330. Its totient is φ = 768364376.

The previous prime is 1536728729. The next prime is 1536728773. The reversal of 1536728756 is 6578276351.

It can be written as a sum of positive squares in only one way, i.e., 1107824656 + 428904100 = 33284^2 + 20710^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192091091 + ... + 192091098.

It is an arithmetic number, because the mean of its divisors is an integer number (448212555).

Almost surely, 2^1536728756 is an apocalyptic number.

It is an amenable number.

1536728756 is a deficient number, since it is larger than the sum of its proper divisors (1152546574).

1536728756 is a wasteful number, since it uses less digits than its factorization.

1536728756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384182193 (or 384182191 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 50.

The square root of 1536728756 is about 39201.1320754899. The cubic root of 1536728756 is about 1153.9821010112.

The spelling of 1536728756 in words is "one billion, five hundred thirty-six million, seven hundred twenty-eight thousand, seven hundred fifty-six".