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BaseRepresentation
bin11111110001010101
320121111202
4133301111
513131013
62442245
71051253
oct376125
9217452
10130133
1189853
1263385
1347303
14355d3
1528858
hex1fc55

130133 has 4 divisors (see below), whose sum is σ = 131040. Its totient is φ = 129228.

The previous prime is 130127. The next prime is 130147. The reversal of 130133 is 331031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 130133 - 26 = 130069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130183) by changing a digit.

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, 185 + ... + 542.

It is an arithmetic number, because the mean of its divisors is an integer number (32760).

2130133 is an apocalyptic number.

It is an amenable number.

130133 is a deficient number, since it is larger than the sum of its proper divisors (907).

130133 is an equidigital number, since it uses as much as digits as its factorization.

130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 130133 is about 360.7395182122. The cubic root of 130133 is about 50.6752399697.

Adding to 130133 its reverse (331031), we get a palindrome (461164).

The spelling of 130133 in words is "one hundred thirty thousand, one hundred thirty-three".

Divisors: 1 179 727 130133