Search a number
-
+
136144528 = 2413654541
BaseRepresentation
bin10000001110101…
…10011010010000
3100111011212011221
420013112122100
5234323111103
621302014424
73242131552
oct1007263220
9314155157
10136144528
116a939443
1239717414
132228a4c0
141411d4d2
15be441bd
hex81d6690

136144528 has 20 divisors (see below), whose sum is σ = 284071228. Its totient is φ = 62835840.

The previous prime is 136144511. The next prime is 136144537. The reversal of 136144528 is 825441631.

It can be written as a sum of positive squares in 2 ways, for example, as 20539024 + 115605504 = 4532^2 + 10752^2 .

It is a junction number, because it is equal to n+sod(n) for n = 136144493 and 136144502.

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 3 ways as a sum of consecutive naturals, for example, 327063 + ... + 327478.

Almost surely, 2136144528 is an apocalyptic number.

It is an amenable number.

136144528 is an abundant number, since it is smaller than the sum of its proper divisors (147926700).

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

136144528 is a wasteful number, since it uses less digits than its factorization.

136144528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654562 (or 654556 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 136144528 is about 11668.0987311558. The cubic root of 136144528 is about 514.4384213776.

The spelling of 136144528 in words is "one hundred thirty-six million, one hundred forty-four thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 654541 1309082 2618164 5236328 8509033 10472656 17018066 34036132 68072264 136144528