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130069 is a prime number
BaseRepresentation
bin11111110000010101
320121102101
4133300111
513130234
62442101
71051132
oct376025
9217371
10130069
11897a5
1263331
1347284
1435589
1528814
hex1fc15

130069 has 2 divisors, whose sum is σ = 130070. Its totient is φ = 130068.

The previous prime is 130057. The next prime is 130073. The reversal of 130069 is 960031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122500 + 7569 = 350^2 + 87^2 .

It is an emirp because it is prime and its reverse (960031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130069 - 211 = 128021 is a prime.

It is a super-2 number, since 2×1300692 = 33835889522, which contains 22 as substring.

It is a plaindrome in base 14.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65034 + 65035.

It is an arithmetic number, because the mean of its divisors is an integer number (65035).

2130069 is an apocalyptic number.

It is an amenable number.

130069 is a deficient number, since it is larger than the sum of its proper divisors (1).

130069 is an equidigital number, since it uses as much as digits as its factorization.

130069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 130069 is about 360.6508006368. The cubic root of 130069 is about 50.6669311697. Note that the first 3 decimals are identical.

It can be divided in two parts, 1300 and 69, that added together give a square (1369 = 372).

The spelling of 130069 in words is "one hundred thirty thousand, sixty-nine".