130378730 has 16 divisors (see below), whose sum is σ = 237897864. Its totient is φ = 51436800.

The previous prime is 130378727. The next prime is 130378733. The reversal of 130378730 is 37873031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130378727) and next prime (130378733).

It can be written as a sum of positive squares in 4 ways, for example, as 79727041 + 50651689 = 8929^2 + 7117^2 .

It is a super-2 number, since 2×130378730² = 33997226472825800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130378733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88571 + ... + 90030.

Almost surely, 2^130378730 is an apocalyptic number.

130378730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130378730 is a deficient number, since it is larger than the sum of its proper divisors (107519134).

130378730 is a wasteful number, since it uses less digits than its factorization.

130378730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178681.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 130378730 is about 11418.3505814106. The cubic root of 130378730 is about 507.0711658042.

The spelling of 130378730 in words is "one hundred thirty million, three hundred seventy-eight thousand, seven hundred thirty".