130333442 has 4 divisors (see below), whose sum is σ = 195500166. Its totient is φ = 65166720.

The previous prime is 130333439. The next prime is 130333451. The reversal of 130333442 is 244333031.

130333442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 121859521 + 8473921 = 11039^2 + 2911^2 .

It is a super-2 number, since 2×130333442² = 33973612207134728, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 32583359 + ... + 32583362.

Almost surely, 2^130333442 is an apocalyptic number.

130333442 is a deficient number, since it is larger than the sum of its proper divisors (65166724).

130333442 is an equidigital number, since it uses as much as digits as its factorization.

130333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65166723.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 130333442 is about 11416.3672856124. The cubic root of 130333442 is about 507.0124473860.

Adding to 130333442 its reverse (244333031), we get a palindrome (374666473).

The spelling of 130333442 in words is "one hundred thirty million, three hundred thirty-three thousand, four hundred forty-two".