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135697044359 is a prime number
BaseRepresentation
bin111111001100000101…
…1001001001110000111
3110222020221221002021202
41332120023021032013
54210401420404414
6142201030333115
712542461563062
oct1763013111607
9428227832252
10135697044359
1152604497958
12223707ba19b
13ca472793b6
1467d3d758d9
1537e30a69de
hex1f982c9387

135697044359 has 2 divisors, whose sum is σ = 135697044360. Its totient is φ = 135697044358.

The previous prime is 135697044349. The next prime is 135697044361. The reversal of 135697044359 is 953440796531.

It is a strong prime.

It is an emirp because it is prime and its reverse (953440796531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-135697044359 is a prime.

Together with 135697044361, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135697044349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67848522179 + 67848522180.

It is an arithmetic number, because the mean of its divisors is an integer number (67848522180).

Almost surely, 2135697044359 is an apocalyptic number.

135697044359 is a deficient number, since it is larger than the sum of its proper divisors (1).

135697044359 is an equidigital number, since it uses as much as digits as its factorization.

135697044359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12247200, while the sum is 56.

The spelling of 135697044359 in words is "one hundred thirty-five billion, six hundred ninety-seven million, forty-four thousand, three hundred fifty-nine".