130240242 has 24 divisors (see below), whose sum is σ = 307841040. Its totient is φ = 39466680.

The previous prime is 130240219. The next prime is 130240261. The reversal of 130240242 is 242042031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 328692 + ... + 329087.

It is an arithmetic number, because the mean of its divisors is an integer number (12826710).

Almost surely, 2^130240242 is an apocalyptic number.

130240242 is an abundant number, since it is smaller than the sum of its proper divisors (177600798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130240242 is a wasteful number, since it uses less digits than its factorization.

130240242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657798 (or 657795 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 130240242 is about 11412.2846967643. The cubic root of 130240242 is about 506.8915655735.

Adding to 130240242 its reverse (242042031), we get a palindrome (372282273).

The spelling of 130240242 in words is "one hundred thirty million, two hundred forty thousand, two hundred forty-two".