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136223325 = 3252786491
BaseRepresentation
bin10000001111010…
…01101001011101
3100111022212021100
420013221221131
5234333121300
621303423313
73242610360
oct1007515135
9314285240
10136223325
116a992667
1239754b39
13222b7324
14141400d7
15be5c700
hex81e9a5d

136223325 has 36 divisors (see below), whose sum is σ = 278850208. Its totient is φ = 62272800.

The previous prime is 136223257. The next prime is 136223327. The reversal of 136223325 is 523322631.

136223325 is a `hidden beast` number, since 1 + 3 + 622 + 3 + 32 + 5 = 666.

136223325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136223325 - 212 = 136219229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136223327) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41671 + ... + 44820.

Almost surely, 2136223325 is an apocalyptic number.

136223325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136223325 is an abundant number, since it is smaller than the sum of its proper divisors (142626883).

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

136223325 is a wasteful number, since it uses less digits than its factorization.

136223325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86514 (or 86506 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 136223325 is about 11671.4748425381. The cubic root of 136223325 is about 514.5376502068.

Adding to 136223325 its reverse (523322631), we get a palindrome (659545956).

The spelling of 136223325 in words is "one hundred thirty-six million, two hundred twenty-three thousand, three hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 63 75 105 175 225 315 525 1575 86491 259473 432455 605437 778419 1297365 1816311 2162275 3027185 3892095 5448933 6486825 9081555 15135925 19460475 27244665 45407775 136223325