1028135107 has 8 divisors (see below), whose sum is σ = 1039433472. Its totient is φ = 1016851200.

The previous prime is 1028135099. The next prime is 1028135113. The reversal of 1028135107 is 7015318201.

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

It is a cyclic number.

It is not a de Polignac number, because 1028135107 - 2³ = 1028135099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1028135807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202257 + ... + 207277.

It is an arithmetic number, because the mean of its divisors is an integer number (129929184).

Almost surely, 2^1028135107 is an apocalyptic number.

1028135107 is a deficient number, since it is larger than the sum of its proper divisors (11298365).

1028135107 is an equidigital number, since it uses as much as digits as its factorization.

1028135107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7229.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1028135107 is about 32064.5459503172. The cubic root of 1028135107 is about 1009.2917647014.

The spelling of 1028135107 in words is "one billion, twenty-eight million, one hundred thirty-five thousand, one hundred seven".