130343042 has 4 divisors (see below), whose sum is σ = 195514566. Its totient is φ = 65171520.

The previous prime is 130343039. The next prime is 130343053. The reversal of 130343042 is 240343031.

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., 115971361 + 14371681 = 10769^2 + 3791^2 .

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 as a sum of consecutive naturals, namely, 32585759 + ... + 32585762.

Almost surely, 2^130343042 is an apocalyptic number.

130343042 is a deficient number, since it is larger than the sum of its proper divisors (65171524).

130343042 is an equidigital number, since it uses as much as digits as its factorization.

130343042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65171523.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 130343042 is about 11416.7877268521. The cubic root of 130343042 is about 507.0248954574.

Adding to 130343042 its reverse (240343031), we get a palindrome (370686073).

The spelling of 130343042 in words is "one hundred thirty million, three hundred forty-three thousand, forty-two".