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135906160 = 24513177687
BaseRepresentation
bin10000001100111…
…00001101110000
3100110201202012111
420012130031300
5234242444120
621252535104
73240116605
oct1006341560
9313652174
10135906160
116a796345
1239621494
1322205b60
141409a6ac
15bde875a
hex819c370

135906160 has 80 divisors (see below), whose sum is σ = 360351936. Its totient is φ = 47222784.

The previous prime is 135906119. The next prime is 135906179. The reversal of 135906160 is 61609531.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13837 + ... + 21523.

Almost surely, 2135906160 is an apocalyptic number.

135906160 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 135906160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180175968).

135906160 is an abundant number, since it is smaller than the sum of its proper divisors (224445776).

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

135906160 is a wasteful number, since it uses less digits than its factorization.

135906160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7730 (or 7724 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 135906160 is about 11657.8797386146. The cubic root of 135906160 is about 514.1380119639.

The spelling of 135906160 in words is "one hundred thirty-five million, nine hundred six thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 13 16 17 20 26 34 40 52 65 68 80 85 104 130 136 170 208 221 260 272 340 442 520 680 884 1040 1105 1360 1768 2210 3536 4420 7687 8840 15374 17680 30748 38435 61496 76870 99931 122992 130679 153740 199862 261358 307480 399724 499655 522716 614960 653395 799448 999310 1045432 1306790 1598896 1698827 1998620 2090864 2613580 3397654 3997240 5227160 6795308 7994480 8494135 10454320 13590616 16988270 27181232 33976540 67953080 135906160