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136141769 is a prime number
BaseRepresentation
bin10000001110101…
…01101111001001
3100111011201101202
420013111233021
5234323014034
621301553545
73242120531
oct1007255711
9314151352
10136141769
116a937365
12397158b5
132228917a
141411c4c1
15be4347e
hex81d5bc9

136141769 has 2 divisors, whose sum is σ = 136141770. Its totient is φ = 136141768.

The previous prime is 136141711. The next prime is 136141781. The reversal of 136141769 is 967141631.

It is a happy number.

136141769 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., 120736144 + 15405625 = 10988^2 + 3925^2 .

It is a cyclic number.

It is not a de Polignac number, because 136141769 - 28 = 136141513 is a prime.

It is a super-2 number, since 2×1361417692 = 37069162532898722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136141799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68070884 + 68070885.

It is an arithmetic number, because the mean of its divisors is an integer number (68070885).

Almost surely, 2136141769 is an apocalyptic number.

It is an amenable number.

136141769 is a deficient number, since it is larger than the sum of its proper divisors (1).

136141769 is an equidigital number, since it uses as much as digits as its factorization.

136141769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 136141769 is about 11667.9805022120. The cubic root of 136141769 is about 514.4349462833.

The spelling of 136141769 in words is "one hundred thirty-six million, one hundred forty-one thousand, seven hundred sixty-nine".