130290 has 32 divisors (see below), whose sum is σ = 323136. Its totient is φ = 33600.
The previous prime is 130279. The next prime is 130303. The reversal of 130290 is 92031.
130290 = T104 + T105 + ... + T123.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240 + ... + 1340.
It is an arithmetic number, because the mean of its divisors is an integer number (10098).
2130290 is an apocalyptic number.
130290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 130290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161568).
130290 is an abundant number, since it is smaller than the sum of its proper divisors (192846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130290 is a wasteful number, since it uses less digits than its factorization.
130290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 154.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 130290 is about 360.9570611582. The cubic root of 130290 is about 50.6956109626.
Adding to 130290 its sum of digits (15), we get a triangular number (130305 = T510).
The spelling of 130290 in words is "one hundred thirty thousand, two hundred ninety".
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