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135213160 = 2357734373
BaseRepresentation
bin10000000111100…
…11000001101000
3100102102112120211
420003303001220
5234103310120
621230030504
73231202315
oct1003630150
9312375524
10135213160
116a362715
1239348434
13220225b4
1413d59d0c
15bd0d25a
hex80f3068

135213160 has 32 divisors (see below), whose sum is σ = 304692840. Its totient is φ = 54002944.

The previous prime is 135213107. The next prime is 135213173. The reversal of 135213160 is 61312531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 80245764 + 54967396 = 8958^2 + 7414^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28734 + ... + 33106.

Almost surely, 2135213160 is an apocalyptic number.

135213160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135213160 is an abundant number, since it is smaller than the sum of its proper divisors (169479680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135213160 is a wasteful number, since it uses less digits than its factorization.

135213160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 135213160 is about 11628.1193664324. The cubic root of 135213160 is about 513.2626408902.

Adding to 135213160 its reverse (61312531), we get a palindrome (196525691).

The spelling of 135213160 in words is "one hundred thirty-five million, two hundred thirteen thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 773 1546 3092 3865 4373 6184 7730 8746 15460 17492 21865 30920 34984 43730 87460 174920 3380329 6760658 13521316 16901645 27042632 33803290 67606580 135213160