| Base | Representation |
|---|---|
| bin | 10000001010001… |
| … | …00000110000100 |
| 3 | 100110001102002100 |
| 4 | 20011010012010 |
| 5 | 234144421340 |
| 6 | 21241112100 |
| 7 | 3234054366 |
| oct | 1005040604 |
| 9 | 313042070 |
| 10 | 135545220 |
| 11 | 6a56a148 |
| 12 | 39488630 |
| 13 | 2210a795 |
| 14 | 14004d36 |
| 15 | bd76830 |
| hex | 8144184 |
135545220 has 72 divisors (see below), whose sum is σ = 415822680. Its totient is φ = 35735040.
The previous prime is 135545209. The next prime is 135545231. The reversal of 135545220 is 22545531.
It is a happy number.
135545220 is a `hidden beast` number, since 135 + 5 + 4 + 522 + 0 = 666.
It is an interprime number because it is at equal distance from previous prime (135545209) and next prime (135545231).
It can be written as a sum of positive squares in 4 ways, for example, as 15116544 + 120428676 = 3888^2 + 10974^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11790 + ... + 20250.
It is an arithmetic number, because the mean of its divisors is an integer number (5775315).
Almost surely, 2135545220 is an apocalyptic number.
135545220 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 135545220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207911340).
135545220 is an abundant number, since it is smaller than the sum of its proper divisors (280277460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
135545220 is a wasteful number, since it uses less digits than its factorization.
135545220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8565 (or 8560 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 135545220 is about 11642.3889301122. The cubic root of 135545220 is about 513.6824586649.
It can be divided in two parts, 13 and 5545220, that added together give a cube (5545233 = 1773).
The spelling of 135545220 in words is "one hundred thirty-five million, five hundred forty-five thousand, two hundred twenty".
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