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139289682509 is a prime number
BaseRepresentation
bin1000000110111001001…
…1111110001001001101
3111022112100010000022222
42001232103332021031
54240231124320014
6143553325145125
713030504523555
oct2015623761115
9438470100288
10139289682509
115408843809a
1222bb39bb1a5
131019a67c6a3
146a5516a165
1539536b208e
hex206e4fe24d

139289682509 has 2 divisors, whose sum is σ = 139289682510. Its totient is φ = 139289682508.

The previous prime is 139289682479. The next prime is 139289682527. The reversal of 139289682509 is 905286982931.

139289682509 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., 137366596900 + 1923085609 = 370630^2 + 43853^2 .

It is a cyclic number.

It is not a de Polignac number, because 139289682509 - 28 = 139289682253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139289682569) 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, 69644841254 + 69644841255.

It is an arithmetic number, because the mean of its divisors is an integer number (69644841255).

Almost surely, 2139289682509 is an apocalyptic number.

It is an amenable number.

139289682509 is a deficient number, since it is larger than the sum of its proper divisors (1).

139289682509 is an equidigital number, since it uses as much as digits as its factorization.

139289682509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 139289682509 in words is "one hundred thirty-nine billion, two hundred eighty-nine million, six hundred eighty-two thousand, five hundred nine".