1028135230548 has 48 divisors (see below), whose sum is σ = 2410144341696. Its totient is φ = 341118211840.

The previous prime is 1028135230511. The next prime is 1028135230561. The reversal of 1028135230548 is 8450325318201.

1028135230548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1028135230548² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7884358 + ... + 8013698.

It is an arithmetic number, because the mean of its divisors is an integer number (50211340452).

Almost surely, 2^{1028135230548} is an apocalyptic number.

It is an amenable number.

1028135230548 is an abundant number, since it is smaller than the sum of its proper divisors (1382009111148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028135230548 is a wasteful number, since it uses less digits than its factorization.

1028135230548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132424 (or 132422 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 1028135230548 in words is "one trillion, twenty-eight billion, one hundred thirty-five million, two hundred thirty thousand, five hundred forty-eight".