130842 has 16 divisors (see below), whose sum is σ = 290880. Its totient is φ = 43596.

The previous prime is 130841. The next prime is 130843. The reversal of 130842 is 248031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130841) and next prime (130843).

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

It is not an unprimeable number, because it can be changed into a prime (130841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1158 + ... + 1265.

It is an arithmetic number, because the mean of its divisors is an integer number (18180).

2¹³⁰⁸⁴² is an apocalyptic number.

130842 is an abundant number, since it is smaller than the sum of its proper divisors (160038).

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

130842 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 130842 = (218430)₉.

130842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 130842 is about 361.7208868727. The cubic root of 130842 is about 50.7671041703.

Adding to 130842 its reverse (248031), we get a palindrome (378873).

The spelling of 130842 in words is "one hundred thirty thousand, eight hundred forty-two".