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138090301 is a prime number
BaseRepresentation
bin10000011101100…
…01011100111101
3100121211201021121
420032301130331
5240322342201
621411430541
73264514426
oct1016613475
9317751247
10138090301
1170a48318
123a2b5451
13227bc04b
14144a864d
15c1ca9a1
hex83b173d

138090301 has 2 divisors, whose sum is σ = 138090302. Its totient is φ = 138090300.

The previous prime is 138090289. The next prime is 138090361. The reversal of 138090301 is 103090831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120231225 + 17859076 = 10965^2 + 4226^2 .

It is an emirp because it is prime and its reverse (103090831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138090301 - 211 = 138088253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138090361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69045150 + 69045151.

It is an arithmetic number, because the mean of its divisors is an integer number (69045151).

Almost surely, 2138090301 is an apocalyptic number.

It is an amenable number.

138090301 is a deficient number, since it is larger than the sum of its proper divisors (1).

138090301 is an equidigital number, since it uses as much as digits as its factorization.

138090301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 138090301 is about 11751.1829617277. The cubic root of 138090301 is about 516.8776165766.

The spelling of 138090301 in words is "one hundred thirty-eight million, ninety thousand, three hundred one".