130435128 has 48 divisors (see below), whose sum is σ = 355984200. Its totient is φ = 43143360.

The previous prime is 130435121. The next prime is 130435163. The reversal of 130435128 is 821534031.

It is a happy number.

130435128 is a `hidden beast` number, since 1 + 304 + 351 + 2 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130435121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2518 + ... + 16346.

Almost surely, 2^130435128 is an apocalyptic number.

130435128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130435128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177992100).

130435128 is an abundant number, since it is smaller than the sum of its proper divisors (225549072).

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

130435128 is a wasteful number, since it uses less digits than its factorization.

130435128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13972 (or 13965 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 130435128 is about 11420.8199355388. The cubic root of 130435128 is about 507.1442699501.

Adding to 130435128 its reverse (821534031), we get a palindrome (951969159).

The spelling of 130435128 in words is "one hundred thirty million, four hundred thirty-five thousand, one hundred twenty-eight".