130778 has 8 divisors (see below), whose sum is σ = 204768. Its totient is φ = 62524.

The previous prime is 130769. The next prime is 130783. The reversal of 130778 is 877031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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, 1376 + ... + 1467.

It is an arithmetic number, because the mean of its divisors is an integer number (25596).

2¹³⁰⁷⁷⁸ is an apocalyptic number.

130778 is a deficient number, since it is larger than the sum of its proper divisors (73990).

130778 is a wasteful number, since it uses less digits than its factorization.

130778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 130778 is about 361.6324100520. The cubic root of 130778 is about 50.7588254204.

The spelling of 130778 in words is "one hundred thirty thousand, seven hundred seventy-eight".