130544330 has 24 divisors (see below), whose sum is σ = 273344868. Its totient is φ = 44757888.

The previous prime is 130544329. The next prime is 130544339. The reversal of 130544330 is 33445031.

It can be written as a sum of positive squares in 2 ways, for example, as 121859521 + 8684809 = 11039^2 + 2947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 130544296 and 130544305.

It is not an unprimeable number, because it can be changed into a prime (130544339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132719 + ... + 133698.

Almost surely, 2^130544330 is an apocalyptic number.

130544330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130544330 is an abundant number, since it is smaller than the sum of its proper divisors (142800538).

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

130544330 is a wasteful number, since it uses less digits than its factorization.

130544330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266438 (or 266431 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 130544330 is about 11425.5997654390. The cubic root of 130544330 is about 507.2857597499.

Adding to 130544330 its reverse (33445031), we get a palindrome (163989361).

The spelling of 130544330 in words is "one hundred thirty million, five hundred forty-four thousand, three hundred thirty".