130777 has 4 divisors (see below), whose sum is σ = 137680. Its totient is φ = 123876.

The previous prime is 130769. The next prime is 130783. The reversal of 130777 is 777031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130777 - 2³ = 130769 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3423 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (34420).

2¹³⁰⁷⁷⁷ is an apocalyptic number.

It is an amenable number.

130777 is a deficient number, since it is larger than the sum of its proper divisors (6903).

130777 is an equidigital number, since it uses as much as digits as its factorization.

130777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6902.

The product of its (nonzero) digits is 1029, while the sum is 25.

The square root of 130777 is about 361.6310274299. The cubic root of 130777 is about 50.7586960436.

The spelling of 130777 in words is "one hundred thirty thousand, seven hundred seventy-seven".