1028136533 has 2 divisors, whose sum is σ = 1028136534. Its totient is φ = 1028136532.

The previous prime is 1028136509. The next prime is 1028136539. The reversal of 1028136533 is 3356318201.

1028136533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 974875729 + 53260804 = 31223^2 + 7298^2 .

It is a cyclic number.

It is not a de Polignac number, because 1028136533 - 2²² = 1023942229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1028136533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1028136539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514068266 + 514068267.

It is an arithmetic number, because the mean of its divisors is an integer number (514068267).

Almost surely, 2^1028136533 is an apocalyptic number.

It is an amenable number.

1028136533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1028136533 is an equidigital number, since it uses as much as digits as its factorization.

1028136533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1028136533 is about 32064.5681867073. The cubic root of 1028136533 is about 1009.2922313227.

The spelling of 1028136533 in words is "one billion, twenty-eight million, one hundred thirty-six thousand, five hundred thirty-three".