130433242 has 8 divisors (see below), whose sum is σ = 202396500. Its totient is φ = 62967744.

The previous prime is 130433239. The next prime is 130433243. The reversal of 130433242 is 242334031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125193721 + 5239521 = 11189^2 + 2289^2 .

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

It is not an unprimeable number, because it can be changed into a prime (130433243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1124367 + ... + 1124482.

Almost surely, 2^130433242 is an apocalyptic number.

130433242 is a deficient number, since it is larger than the sum of its proper divisors (71963258).

130433242 is a wasteful number, since it uses less digits than its factorization.

130433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248880.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 130433242 is about 11420.7373667378. The cubic root of 130433242 is about 507.1418256221.

Adding to 130433242 its reverse (242334031), we get a palindrome (372767273).

The spelling of 130433242 in words is "one hundred thirty million, four hundred thirty-three thousand, two hundred forty-two".