130530242 has 4 divisors (see below), whose sum is σ = 195795366. Its totient is φ = 65265120.

The previous prime is 130530227. The next prime is 130530259. The reversal of 130530242 is 242035031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 120802081 + 9728161 = 10991^2 + 3119^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32632559 + ... + 32632562.

Almost surely, 2^130530242 is an apocalyptic number.

130530242 is a deficient number, since it is larger than the sum of its proper divisors (65265124).

130530242 is an equidigital number, since it uses as much as digits as its factorization.

130530242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65265123.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130530242 is about 11424.9832384997. The cubic root of 130530242 is about 507.2675107794.

Adding to 130530242 its reverse (242035031), we get a palindrome (372565273).

The spelling of 130530242 in words is "one hundred thirty million, five hundred thirty thousand, two hundred forty-two".