130510128 has 80 divisors (see below), whose sum is σ = 393228800. Its totient is φ = 37283904.

The previous prime is 130510103. The next prime is 130510129. The reversal of 130510128 is 821015031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130510129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12501 + ... + 20427.

It is an arithmetic number, because the mean of its divisors is an integer number (4915360).

Almost surely, 2^130510128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130510128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196614400).

130510128 is an abundant number, since it is smaller than the sum of its proper divisors (262718672).

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

130510128 is an equidigital number, since it uses as much as digits as its factorization.

130510128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959 (or 7939 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 130510128 is about 11424.1029407127. The cubic root of 130510128 is about 507.2414537199.

Adding to 130510128 its reverse (821015031), we get a palindrome (951525159).

The spelling of 130510128 in words is "one hundred thirty million, five hundred ten thousand, one hundred twenty-eight".