1028134567 has 4 divisors (see below), whose sum is σ = 1038116560. Its totient is φ = 1018152576.

The previous prime is 1028134537. The next prime is 1028134579. The reversal of 1028134567 is 7654318201.

1028134567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7654318201 = 467 ⋅16390403.

It is a cyclic number.

It is not a de Polignac number, because 1028134567 - 2²³ = 1019745959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028134507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4990842 + ... + 4991047.

It is an arithmetic number, because the mean of its divisors is an integer number (259529140).

Almost surely, 2^1028134567 is an apocalyptic number.

1028134567 is a deficient number, since it is larger than the sum of its proper divisors (9981993).

1028134567 is an equidigital number, since it uses as much as digits as its factorization.

1028134567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981992.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1028134567 is about 32064.5375298007. The cubic root of 1028134567 is about 1009.2915880003.

The spelling of 1028134567 in words is "one billion, twenty-eight million, one hundred thirty-four thousand, five hundred sixty-seven".