130234642 has 16 divisors (see below), whose sum is σ = 198619200. Its totient is φ = 64037232.

The previous prime is 130234639. The next prime is 130234649. The reversal of 130234642 is 246432031.

It is a super-2 number, since 2×130234642² = 33922123953736328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130234649) 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 7 ways as a sum of consecutive naturals, for example, 28573 + ... + 32815.

It is an arithmetic number, because the mean of its divisors is an integer number (12413700).

Almost surely, 2^130234642 is an apocalyptic number.

130234642 is a deficient number, since it is larger than the sum of its proper divisors (68384558).

130234642 is a wasteful number, since it uses less digits than its factorization.

130234642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 130234642 is about 11412.0393444818. The cubic root of 130234642 is about 506.8843004523.

Adding to 130234642 its reverse (246432031), we get a palindrome (376666673).

The spelling of 130234642 in words is "one hundred thirty million, two hundred thirty-four thousand, six hundred forty-two".