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13330139 is a prime number
BaseRepresentation
bin110010110110…
…011011011011
3221002020111212
4302312123123
511403031024
61153413335
7221206244
oct62663333
927066455
1013330139
117585149
12456a24b
1329b9574
141aadccb
151284a0e
hexcb66db

13330139 has 2 divisors, whose sum is σ = 13330140. Its totient is φ = 13330138.

The previous prime is 13330127. The next prime is 13330171. The reversal of 13330139 is 93103331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13330139 - 212 = 13326043 is a prime.

It is not a weakly prime, because it can be changed into another prime (13330199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665069 + 6665070.

It is an arithmetic number, because the mean of its divisors is an integer number (6665070).

Almost surely, 213330139 is an apocalyptic number.

13330139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13330139 is an equidigital number, since it uses as much as digits as its factorization.

13330139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 23.

The square root of 13330139 is about 3651.0462883946. The cubic root of 13330139 is about 237.1072822822.

The spelling of 13330139 in words is "thirteen million, three hundred thirty thousand, one hundred thirty-nine".