Search a number
-
+
136807325 = 525472293
BaseRepresentation
bin10000010011110…
…00001110011101
3100112102112100222
420021320032131
5240010313300
621324131125
73250562114
oct1011701635
9315375328
10136807325
1170251406
1239996aa5
13224600a5
1414252c7b
15c025785
hex827839d

136807325 has 6 divisors (see below), whose sum is σ = 169641114. Its totient is φ = 109445840.

The previous prime is 136807303. The next prime is 136807331. The reversal of 136807325 is 523708631.

It can be written as a sum of positive squares in 3 ways, for example, as 7166329 + 129640996 = 2677^2 + 11386^2 .

It is not a de Polignac number, because 136807325 - 26 = 136807261 is a prime.

It is a super-3 number, since 3×1368073253 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2736122 + ... + 2736171.

It is an arithmetic number, because the mean of its divisors is an integer number (28273519).

Almost surely, 2136807325 is an apocalyptic number.

It is an amenable number.

136807325 is a deficient number, since it is larger than the sum of its proper divisors (32833789).

136807325 is an equidigital number, since it uses as much as digits as its factorization.

136807325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472303 (or 5472298 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 136807325 is about 11696.4663467220. The cubic root of 136807325 is about 515.2718896124.

The spelling of 136807325 in words is "one hundred thirty-six million, eight hundred seven thousand, three hundred twenty-five".

Divisors: 1 5 25 5472293 27361465 136807325