Search a number
-
+
136234361 is a prime number
BaseRepresentation
bin10000001111011…
…00010101111001
3100111100102102002
420013230111321
5234333444421
621303550345
73242654504
oct1007542571
9314312362
10136234361
116a99a98a
123975b3b5
13222bc363
141414413b
15be60b0b
hex81ec579

136234361 has 2 divisors, whose sum is σ = 136234362. Its totient is φ = 136234360.

The previous prime is 136234321. The next prime is 136234369. The reversal of 136234361 is 163432631.

136234361 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 can be written as a sum of positive squares in only one way, i.e., 125865961 + 10368400 = 11219^2 + 3220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136234361 is a prime.

It is a super-2 number, since 2×1362343612 = 37119602234156642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (136234369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68117180 + 68117181.

It is an arithmetic number, because the mean of its divisors is an integer number (68117181).

Almost surely, 2136234361 is an apocalyptic number.

It is an amenable number.

136234361 is a deficient number, since it is larger than the sum of its proper divisors (1).

136234361 is an equidigital number, since it uses as much as digits as its factorization.

136234361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 136234361 is about 11671.9476095466. The cubic root of 136234361 is about 514.5515447538.

Adding to 136234361 its reverse (163432631), we get a palindrome (299666992).

The spelling of 136234361 in words is "one hundred thirty-six million, two hundred thirty-four thousand, three hundred sixty-one".