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1066485139 is a prime number
BaseRepresentation
bin111111100100010…
…100010110010011
32202022210001120121
4333210110112103
54141010011024
6253454251111
735266655056
oct7744242623
92668701517
101066485139
114a8004085
122591b6a97
1313cc47bc5
14a18d6a9d
15639658e4
hex3f914593

1066485139 has 2 divisors, whose sum is σ = 1066485140. Its totient is φ = 1066485138.

The previous prime is 1066485127. The next prime is 1066485149. The reversal of 1066485139 is 9315846601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066485139 - 213 = 1066476947 is a prime.

It is a super-2 number, since 2×10664851392 = 2274781103415698642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066485095 and 1066485104.

It is not a weakly prime, because it can be changed into another prime (1066485149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533242569 + 533242570.

It is an arithmetic number, because the mean of its divisors is an integer number (533242570).

Almost surely, 21066485139 is an apocalyptic number.

1066485139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066485139 is an equidigital number, since it uses as much as digits as its factorization.

1066485139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 1066485139 is about 32657.0840553776. The cubic root of 1066485139 is about 1021.6879455851.

The spelling of 1066485139 in words is "one billion, sixty-six million, four hundred eighty-five thousand, one hundred thirty-nine".