130566242 has 8 divisors (see below), whose sum is σ = 199544796. Its totient is φ = 64051312.

The previous prime is 130566217. The next prime is 130566251. The reversal of 130566242 is 242665031.

It can be written as a sum of positive squares in 2 ways, for example, as 126990361 + 3575881 = 11269^2 + 1891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615773 + ... + 615984.

Almost surely, 2^130566242 is an apocalyptic number.

130566242 is a deficient number, since it is larger than the sum of its proper divisors (68978554).

130566242 is a wasteful number, since it uses less digits than its factorization.

130566242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231812.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 130566242 is about 11426.5586245378. The cubic root of 130566242 is about 507.3141409742.

The spelling of 130566242 in words is "one hundred thirty million, five hundred sixty-six thousand, two hundred forty-two".