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136168297 is a prime number
BaseRepresentation
bin10000001110111…
…00001101101001
3100111020001210021
420013130031221
5234324341142
621302320441
73242261056
oct1007341551
9314201707
10136168297
116a955291
1239729121
1322298275
141412802d
15be4b267
hex81dc369

136168297 has 2 divisors, whose sum is σ = 136168298. Its totient is φ = 136168296.

The previous prime is 136168261. The next prime is 136168367. The reversal of 136168297 is 792861631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129140496 + 7027801 = 11364^2 + 2651^2 .

It is a cyclic number.

It is not a de Polignac number, because 136168297 - 27 = 136168169 is a prime.

It is not a weakly prime, because it can be changed into another prime (136168397) by changing a digit.

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 as a sum of consecutive naturals, namely, 68084148 + 68084149.

It is an arithmetic number, because the mean of its divisors is an integer number (68084149).

Almost surely, 2136168297 is an apocalyptic number.

It is an amenable number.

136168297 is a deficient number, since it is larger than the sum of its proper divisors (1).

136168297 is an equidigital number, since it uses as much as digits as its factorization.

136168297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 136168297 is about 11669.1172331072. The cubic root of 136168297 is about 514.4683576409.

The spelling of 136168297 in words is "one hundred thirty-six million, one hundred sixty-eight thousand, two hundred ninety-seven".