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133108 = 22107311
BaseRepresentation
bin100000011111110100
320202120221
4200133310
513224413
62504124
71063033
oct403764
9222527
10133108
1191008
1265044
1348781
143671a
152968d
hex207f4

133108 has 12 divisors (see below), whose sum is σ = 235872. Its totient is φ = 65720.

The previous prime is 133103. The next prime is 133109. The reversal of 133108 is 801331.

133108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 133091 and 133100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273 + ... + 583.

It is an arithmetic number, because the mean of its divisors is an integer number (19656).

2133108 is an apocalyptic number.

It is an amenable number.

133108 is a deficient number, since it is larger than the sum of its proper divisors (102764).

133108 is a wasteful number, since it uses less digits than its factorization.

133108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 133108 is about 364.8396908232. The cubic root of 133108 is about 51.0585000889.

Adding to 133108 its reverse (801331), we get a palindrome (934439).

It can be divided in two parts, 13 and 3108, that multiplied together give a palindrome (40404).

The spelling of 133108 in words is "one hundred thirty-three thousand, one hundred eight".

Divisors: 1 2 4 107 214 311 428 622 1244 33277 66554 133108