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130975289 is a prime number
BaseRepresentation
bin1111100111010…
…00011000111001
3100010110020022122
413303220120321
5232012202124
620555131025
73150162104
oct763503071
9303406278
10130975289
1167a28745
1237a43a75
132119a693
141357573b
15b77275e
hex7ce8639

130975289 has 2 divisors, whose sum is σ = 130975290. Its totient is φ = 130975288.

The previous prime is 130975237. The next prime is 130975309. The reversal of 130975289 is 982579031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105925264 + 25050025 = 10292^2 + 5005^2 .

It is a cyclic number.

It is not a de Polignac number, because 130975289 - 212 = 130971193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130975219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65487644 + 65487645.

It is an arithmetic number, because the mean of its divisors is an integer number (65487645).

Almost surely, 2130975289 is an apocalyptic number.

It is an amenable number.

130975289 is a deficient number, since it is larger than the sum of its proper divisors (1).

130975289 is an equidigital number, since it uses as much as digits as its factorization.

130975289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 130975289 is about 11444.4435862999. The cubic root of 130975289 is about 507.8433716913.

The spelling of 130975289 in words is "one hundred thirty million, nine hundred seventy-five thousand, two hundred eighty-nine".