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14131109 is a prime number
BaseRepresentation
bin110101111001…
…111110100101
3222120221020102
4311321332211
512104143414
61222513445
7231053366
oct65717645
928527212
1014131109
117a81a03
124895885
132c0a005
141c3bb6d
151391ede
hexd79fa5

14131109 has 2 divisors, whose sum is σ = 14131110. Its totient is φ = 14131108.

The previous prime is 14131081. The next prime is 14131123. The reversal of 14131109 is 90113141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7896100 + 6235009 = 2810^2 + 2497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14131109 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14031109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7065554 + 7065555.

It is an arithmetic number, because the mean of its divisors is an integer number (7065555).

Almost surely, 214131109 is an apocalyptic number.

It is an amenable number.

14131109 is a deficient number, since it is larger than the sum of its proper divisors (1).

14131109 is an equidigital number, since it uses as much as digits as its factorization.

14131109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 14131109 is about 3759.1367360074. The cubic root of 14131109 is about 241.7642502990.

The spelling of 14131109 in words is "fourteen million, one hundred thirty-one thousand, one hundred nine".