130128964 has 24 divisors (see below), whose sum is σ = 262790528. Its totient is φ = 55226880.

The previous prime is 130128961. The next prime is 130128989. The reversal of 130128964 is 469821031.

It is not an unprimeable number, because it can be changed into a prime (130128961) 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, 19677 + ... + 25444.

Almost surely, 2^130128964 is an apocalyptic number.

130128964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130128964 is an abundant number, since it is smaller than the sum of its proper divisors (132661564).

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

130128964 is a wasteful number, since it uses less digits than its factorization.

130128964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45235 (or 45233 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 130128964 is about 11407.4082946128. The cubic root of 130128964 is about 506.7471607646.

Adding to 130128964 its reverse (469821031), we get a palindrome (599949995).

The spelling of 130128964 in words is "one hundred thirty million, one hundred twenty-eight thousand, nine hundred sixty-four".