| Base | Representation |
|---|---|
| bin | 10000000011010… |
| … | …10111101100000 |
| 3 | 100101101020002100 |
| 4 | 20001222331200 |
| 5 | 233432441330 |
| 6 | 21210050400 |
| 7 | 3223361424 |
| oct | 1001527540 |
| 9 | 311336070 |
| 10 | 134655840 |
| 11 | 6a011a20 |
| 12 | 39119a00 |
| 13 | 21b88a17 |
| 14 | 13c52b84 |
| 15 | bc4d060 |
| hex | 806af60 |
134655840 has 144 divisors (see below), whose sum is σ = 501345936. Its totient is φ = 32640000.
The previous prime is 134655803. The next prime is 134655841. The reversal of 134655840 is 48556431.
It is a happy number.
134655840 is a `hidden beast` number, since 13 + 4 + 65 + 584 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×1346558402 = 36264390492211200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 134655795 and 134655804.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (134655841) 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 23 ways as a sum of consecutive naturals, for example, 11590 + ... + 20090.
It is an arithmetic number, because the mean of its divisors is an integer number (3481569).
Almost surely, 2134655840 is an apocalyptic number.
134655840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 134655840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250672968).
134655840 is an abundant number, since it is smaller than the sum of its proper divisors (366690096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134655840 is a wasteful number, since it uses less digits than its factorization.
134655840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8533 (or 8522 counting only the distinct ones).
The product of its (nonzero) digits is 57600, while the sum is 36.
The square root of 134655840 is about 11604.1302991650. The cubic root of 134655840 is about 512.5564831659.
The spelling of 134655840 in words is "one hundred thirty-four million, six hundred fifty-five thousand, eight hundred forty".
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