130530240 has 168 divisors, whose sum is σ = 456943968. Its totient is φ = 34191360.

The previous prime is 130530227. The next prime is 130530259. The reversal of 130530240 is 42035031.

130530240 is a `hidden beast` number, since 130 + 530 + 2 + 4 + 0 = 666.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175309 + ... + 176051.

Almost surely, 2^130530240 is an apocalyptic number.

130530240 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 130530240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228471984).

130530240 is an abundant number, since it is smaller than the sum of its proper divisors (326413728).

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

130530240 is a wasteful number, since it uses less digits than its factorization.

130530240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130530240 is about 11424.9831509723. The cubic root of 130530240 is about 507.2675081886.

Adding to 130530240 its reverse (42035031), we get a palindrome (172565271).

The spelling of 130530240 in words is "one hundred thirty million, five hundred thirty thousand, two hundred forty".