| Base | Representation |
|---|---|
| bin | 1111111111010… |
| … | …00011101100000 |
| 3 | 100100101001212000 |
| 4 | 13333220131200 |
| 5 | 233313340222 |
| 6 | 21150404000 |
| 7 | 3216004143 |
| oct | 777503540 |
| 9 | 310331760 |
| 10 | 134121312 |
| 11 | 69787366 |
| 12 | 38b00600 |
| 13 | 21a2c630 |
| 14 | 13b5405a |
| 15 | bb949ac |
| hex | 7fe8760 |
134121312 has 96 divisors (see below), whose sum is σ = 421313760. Its totient is φ = 41264640.
The previous prime is 134121311. The next prime is 134121329. The reversal of 134121312 is 213121431.
It is a tau number, because it is divible by the number of its divisors (96).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (134121311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5262 + ... + 17202.
It is an arithmetic number, because the mean of its divisors is an integer number (4388685).
Almost surely, 2134121312 is an apocalyptic number.
134121312 is a gapful number since it is divisible by the number (12) 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 134121312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210656880).
134121312 is an abundant number, since it is smaller than the sum of its proper divisors (287192448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
134121312 is a wasteful number, since it uses less digits than its factorization.
134121312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11973 (or 11959 counting only the distinct ones).
The product of its digits is 144, while the sum is 18.
The square root of 134121312 is about 11581.0755977154. The cubic root of 134121312 is about 511.8773713478.
Adding to 134121312 its reverse (213121431), we get a palindrome (347242743).
The spelling of 134121312 in words is "one hundred thirty-four million, one hundred twenty-one thousand, three hundred twelve".
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