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130395439 is a prime number
BaseRepresentation
bin1111100010110…
…10110100101111
3100002100202220201
413301122310233
5231340123224
620534454331
73142225426
oct761326457
9302322821
10130395439
1167672029
12378043a7
1321026785
14134642bd
15b6aaa44
hex7c5ad2f

130395439 has 2 divisors, whose sum is σ = 130395440. Its totient is φ = 130395438.

The previous prime is 130395431. The next prime is 130395449. The reversal of 130395439 is 934593031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130395439 - 23 = 130395431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130395398 and 130395407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130395431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65197719 + 65197720.

It is an arithmetic number, because the mean of its divisors is an integer number (65197720).

Almost surely, 2130395439 is an apocalyptic number.

130395439 is a deficient number, since it is larger than the sum of its proper divisors (1).

130395439 is an equidigital number, since it uses as much as digits as its factorization.

130395439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 130395439 is about 11419.0822310727. The cubic root of 130395439 is about 507.0928265209.

The spelling of 130395439 in words is "one hundred thirty million, three hundred ninety-five thousand, four hundred thirty-nine".