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130369 is a prime number
BaseRepresentation
bin11111110101000001
320121211111
4133311001
513132434
62443321
71052041
oct376501
9217744
10130369
1189a48
1263541
1347455
1435721
1528964
hex1fd41

130369 has 2 divisors, whose sum is σ = 130370. Its totient is φ = 130368.

The previous prime is 130367. The next prime is 130379. The reversal of 130369 is 963031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97969 + 32400 = 313^2 + 180^2 .

It is an emirp because it is prime and its reverse (963031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130369 - 21 = 130367 is a prime.

It is a super-2 number, since 2×1303692 = 33992152322, which contains 22 as substring.

Together with 130367, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (130363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65184 + 65185.

It is an arithmetic number, because the mean of its divisors is an integer number (65185).

2130369 is an apocalyptic number.

It is an amenable number.

130369 is a deficient number, since it is larger than the sum of its proper divisors (1).

130369 is an equidigital number, since it uses as much as digits as its factorization.

130369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 130369 is about 361.0664758739. The cubic root of 130369 is about 50.7058551463.

The spelling of 130369 in words is "one hundred thirty thousand, three hundred sixty-nine".