130725 has 36 divisors (see below), whose sum is σ = 270816. Its totient is φ = 59040.
The previous prime is 130699. The next prime is 130729. The reversal of 130725 is 527031.
It is not a de Polignac number, because 130725 - 25 = 130693 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 130698 and 130707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130729) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1534 + ... + 1616.
2130725 is an apocalyptic number.
130725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130725 is an abundant number, since it is smaller than the sum of its proper divisors (140091).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130725 is a wasteful number, since it uses less digits than its factorization.
130725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106 (or 98 counting only the distinct ones).
The product of its (nonzero) digits is 210, while the sum is 18.
The square root of 130725 is about 361.5591237958. The cubic root of 130725 is about 50.7519675360.
Adding to 130725 its reverse (527031), we get a palindrome (657756).
The spelling of 130725 in words is "one hundred thirty thousand, seven hundred twenty-five".
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