130278970 has 8 divisors (see below), whose sum is σ = 234502164. Its totient is φ = 52111584.

The previous prime is 130278959. The next prime is 130278977. The reversal of 130278970 is 79872031.

It can be written as a sum of positive squares in 2 ways, for example, as 125686521 + 4592449 = 11211^2 + 2143^2 .

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

It is a super-2 number, since 2×130278970² = 33945220048521800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130278977) 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, 6513939 + ... + 6513958.

Almost surely, 2^130278970 is an apocalyptic number.

130278970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130278970 is a deficient number, since it is larger than the sum of its proper divisors (104223194).

130278970 is a wasteful number, since it uses less digits than its factorization.

130278970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13027904.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 130278970 is about 11413.9813386916. The cubic root of 130278970 is about 506.9418033771.

The spelling of 130278970 in words is "one hundred thirty million, two hundred seventy-eight thousand, nine hundred seventy".