130440500 has 48 divisors (see below), whose sum is σ = 291555264. Its totient is φ = 50954400.

The previous prime is 130440487. The next prime is 130440511. The reversal of 130440500 is 5044031.

It is a super-3 number, since 3×130440500³ (a number of 25 digits) contains 333 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, 18467 + ... + 24533.

It is an arithmetic number, because the mean of its divisors is an integer number (6074068).

Almost surely, 2^130440500 is an apocalyptic number.

130440500 is a gapful number since it is divisible by the number (10) 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 130440500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145777632).

130440500 is an abundant number, since it is smaller than the sum of its proper divisors (161114764).

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

130440500 is a wasteful number, since it uses less digits than its factorization.

130440500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129 (or 6117 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 130440500 is about 11421.0551176325. The cubic root of 130440500 is about 507.1512321380.

Adding to 130440500 its reverse (5044031), we get a palindrome (135484531).

The spelling of 130440500 in words is "one hundred thirty million, four hundred forty thousand, five hundred".