130402242 has 12 divisors (see below), whose sum is σ = 282538230. Its totient is φ = 43467408.

The previous prime is 130402199. The next prime is 130402303. The reversal of 130402242 is 242204031.

It can be written as a sum of positive squares in only one way, i.e., 74287161 + 56115081 = 8619^2 + 7491^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7244569 = 130402242 / (1 + 3 + 0 + 4 + 0 + 2 + 2 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3622267 + ... + 3622302.

Almost surely, 2^130402242 is an apocalyptic number.

130402242 is an abundant number, since it is smaller than the sum of its proper divisors (152135988).

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

130402242 is a wasteful number, since it uses less digits than its factorization.

130402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7244577 (or 7244574 counting only the distinct ones).

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

The square root of 130402242 is about 11419.3801057676. The cubic root of 130402242 is about 507.1016450617.

Adding to 130402242 its reverse (242204031), we get a palindrome (372606273).

The spelling of 130402242 in words is "one hundred thirty million, four hundred two thousand, two hundred forty-two".