130332240 has 100 divisors (see below), whose sum is σ = 452685684. Its totient is φ = 34753536.

The previous prime is 130332233. The next prime is 130332253. The reversal of 130332240 is 42233031.

130332240 is a `hidden beast` number, since 1 + 303 + 322 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24324624 + 106007616 = 4932^2 + 10296^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3577 + ... + 16536.

Almost surely, 2^130332240 is an apocalyptic number.

130332240 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 130332240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226342842).

130332240 is an abundant number, since it is smaller than the sum of its proper divisors (322353444).

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

130332240 is a wasteful number, since it uses less digits than its factorization.

130332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20138 (or 20123 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 130332240 is about 11416.3146417747. The cubic root of 130332240 is about 507.0108887406.

Adding to 130332240 its reverse (42233031), we get a palindrome (172565271).

The spelling of 130332240 in words is "one hundred thirty million, three hundred thirty-two thousand, two hundred forty".