1028134563 has 8 divisors (see below), whose sum is σ = 1371048528. Its totient is φ = 685321824.

The previous prime is 1028134537. The next prime is 1028134579. The reversal of 1028134563 is 3654318201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1028134563 - 2⁸ = 1028134307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028134463) 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, 2881 + ... + 45437.

It is an arithmetic number, because the mean of its divisors is an integer number (171381066).

Almost surely, 2^1028134563 is an apocalyptic number.

1028134563 is a deficient number, since it is larger than the sum of its proper divisors (342913965).

1028134563 is an equidigital number, since it uses as much as digits as its factorization.

1028134563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50613.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1028134563 is about 32064.5374674265. The cubic root of 1028134563 is about 1009.2915866914.

It can be divided in two parts, 10281 and 34563, that added together give a palindrome (44844).

The spelling of 1028134563 in words is "one billion, twenty-eight million, one hundred thirty-four thousand, five hundred sixty-three".