130128798 has 16 divisors (see below), whose sum is σ = 262941840. Its totient is φ = 42928896.

The previous prime is 130128797. The next prime is 130128827. The reversal of 130128798 is 897821031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130128797) 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, 111213 + ... + 112376.

It is an arithmetic number, because the mean of its divisors is an integer number (16433865).

Almost surely, 2^130128798 is an apocalyptic number.

130128798 is an abundant number, since it is smaller than the sum of its proper divisors (132813042).

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

130128798 is a wasteful number, since it uses less digits than its factorization.

130128798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223691.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 130128798 is about 11407.4010186370. The cubic root of 130128798 is about 506.7469452859.

The spelling of 130128798 in words is "one hundred thirty million, one hundred twenty-eight thousand, seven hundred ninety-eight".