130138 has 8 divisors (see below), whose sum is σ = 201600. Its totient is φ = 62940.
The previous prime is 130127. The next prime is 130147. The reversal of 130138 is 831031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988 + ... + 1111.
It is an arithmetic number, because the mean of its divisors is an integer number (25200).
2130138 is an apocalyptic number.
130138 is a deficient number, since it is larger than the sum of its proper divisors (71462).
130138 is a wasteful number, since it uses less digits than its factorization.
130138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2132.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 130138 is about 360.7464483540. The cubic root of 130138 is about 50.6758889799.
Adding to 130138 its reverse (831031), we get a palindrome (961169).
The spelling of 130138 in words is "one hundred thirty thousand, one hundred thirty-eight".
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