130978 has 8 divisors (see below), whose sum is σ = 201168. Its totient is φ = 63924.

The previous prime is 130973. The next prime is 130981. The reversal of 130978 is 879031.

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

It is not an unprimeable number, because it can be changed into a prime (130973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676 + ... + 847.

It is an arithmetic number, because the mean of its divisors is an integer number (25146).

2¹³⁰⁹⁷⁸ is an apocalyptic number.

130978 is a deficient number, since it is larger than the sum of its proper divisors (70190).

130978 is a wasteful number, since it uses less digits than its factorization.

130978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 130978 is about 361.9088282980. The cubic root of 130978 is about 50.7846875543.

The spelling of 130978 in words is "one hundred thirty thousand, nine hundred seventy-eight".