130678440 has 32 divisors (see below), whose sum is σ = 392035680. Its totient is φ = 34847552.

The previous prime is 130678421. The next prime is 130678441. The reversal of 130678440 is 44876031.

It is not an unprimeable number, because it can be changed into a prime (130678441) 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, 544374 + ... + 544613.

It is an arithmetic number, because the mean of its divisors is an integer number (12251115).

Almost surely, 2^130678440 is an apocalyptic number.

130678440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130678440 is an abundant number, since it is smaller than the sum of its proper divisors (261357240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130678440 is a wasteful number, since it uses less digits than its factorization.

130678440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089001 (or 1088997 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 130678440 is about 11431.4670974464. The cubic root of 130678440 is about 507.4594141955.

The spelling of 130678440 in words is "one hundred thirty million, six hundred seventy-eight thousand, four hundred forty".