130142 has 4 divisors (see below), whose sum is σ = 195216. Its totient is φ = 65070.

The previous prime is 130127. The next prime is 130147. The reversal of 130142 is 241031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130147) by changing a digit.

130142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32534 + ... + 32537.

It is an arithmetic number, because the mean of its divisors is an integer number (48804).

2¹³⁰¹⁴² is an apocalyptic number.

130142 is a deficient number, since it is larger than the sum of its proper divisors (65074).

130142 is an equidigital number, since it uses as much as digits as its factorization.

130142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65073.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 130142 is about 360.7519923715. The cubic root of 130142 is about 50.6764081762.

Adding to 130142 its reverse (241031), we get a palindrome (371173).

Subtracting 130142 from its reverse (241031), we obtain a square (110889 = 333²).

It can be divided in two parts, 130 and 142, that added together give a palindrome (272).

The spelling of 130142 in words is "one hundred thirty thousand, one hundred forty-two".