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136705065 = 3575922067
BaseRepresentation
bin10000010010111…
…11010000101001
3100112020100002120
420021133100221
5234444030230
621322021453
73246655020
oct1011372051
9315210076
10136705065
11701915a2
1239947889
1322425693
14142278b7
15c005310
hex825f429

136705065 has 32 divisors (see below), whose sum is σ = 254223360. Its totient is φ = 61431744.

The previous prime is 136705013. The next prime is 136705069. The reversal of 136705065 is 560507631.

It is not a de Polignac number, because 136705065 - 213 = 136696873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136705069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4839 + ... + 17228.

It is an arithmetic number, because the mean of its divisors is an integer number (7944480).

Almost surely, 2136705065 is an apocalyptic number.

136705065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136705065 is a deficient number, since it is larger than the sum of its proper divisors (117518295).

136705065 is a wasteful number, since it uses less digits than its factorization.

136705065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22141.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 136705065 is about 11692.0941238086. The cubic root of 136705065 is about 515.1434733953.

The spelling of 136705065 in words is "one hundred thirty-six million, seven hundred five thousand, sixty-five".

Divisors: 1 3 5 7 15 21 35 59 105 177 295 413 885 1239 2065 6195 22067 66201 110335 154469 331005 463407 772345 1301953 2317035 3905859 6509765 9113671 19529295 27341013 45568355 136705065