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136169071 is a prime number
BaseRepresentation
bin10000001110111…
…00011001101111
3100111020002211221
420013130121233
5234324402241
621302324211
73242263243
oct1007343157
9314202757
10136169071
116a955925
1239729667
132229871c
1414128423
15be4b5d1
hex81dc66f

136169071 has 2 divisors, whose sum is σ = 136169072. Its totient is φ = 136169070.

The previous prime is 136169069. The next prime is 136169087. The reversal of 136169071 is 170961631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136169071 - 21 = 136169069 is a prime.

Together with 136169069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136169041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68084535 + 68084536.

It is an arithmetic number, because the mean of its divisors is an integer number (68084536).

Almost surely, 2136169071 is an apocalyptic number.

136169071 is a deficient number, since it is larger than the sum of its proper divisors (1).

136169071 is an equidigital number, since it uses as much as digits as its factorization.

136169071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 136169071 is about 11669.1503975225. The cubic root of 136169071 is about 514.4693324095.

The spelling of 136169071 in words is "one hundred thirty-six million, one hundred sixty-nine thousand, seventy-one".