130769 has 2 divisors, whose sum is σ = 130770. Its totient is φ = 130768.

The previous prime is 130729. The next prime is 130783. The reversal of 130769 is 967031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82369 + 48400 = 287^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 130769 - 2⁸ = 130513 is a prime.

It is a super-2 number, since 2×130769² = 34201062722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65384 + 65385.

It is an arithmetic number, because the mean of its divisors is an integer number (65385).

2¹³⁰⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

130769 is a deficient number, since it is larger than the sum of its proper divisors (1).

130769 is an equidigital number, since it uses as much as digits as its factorization.

130769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 130769 is about 361.6199662629. The cubic root of 130769 is about 50.7576610046.

The spelling of 130769 in words is "one hundred thirty thousand, seven hundred sixty-nine".