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136243343 is a prime number
BaseRepresentation
bin10000001111011…
…10100010001111
3100111100212201202
420013232202033
5234334241333
621304100115
73243022625
oct1007564217
9314325652
10136243343
116a9a6705
123976463b
13222c3482
1414147515
15be635e8
hex81ee88f

136243343 has 2 divisors, whose sum is σ = 136243344. Its totient is φ = 136243342.

The previous prime is 136243291. The next prime is 136243379. The reversal of 136243343 is 343342631.

It is a happy number.

136243343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136243343 - 26 = 136243279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136243043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68121671 + 68121672.

It is an arithmetic number, because the mean of its divisors is an integer number (68121672).

Almost surely, 2136243343 is an apocalyptic number.

136243343 is a deficient number, since it is larger than the sum of its proper divisors (1).

136243343 is an equidigital number, since it uses as much as digits as its factorization.

136243343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 29.

The square root of 136243343 is about 11672.3323718955. The cubic root of 136243343 is about 514.5628527194.

Adding to 136243343 its reverse (343342631), we get a palindrome (479585974).

The spelling of 136243343 in words is "one hundred thirty-six million, two hundred forty-three thousand, three hundred forty-three".