130782490 has 32 divisors (see below), whose sum is σ = 243809280. Its totient is φ = 50510160.

The previous prime is 130782437. The next prime is 130782511. The reversal of 130782490 is 94287031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297691 + ... + 298129.

It is an arithmetic number, because the mean of its divisors is an integer number (7619040).

Almost surely, 2^130782490 is an apocalyptic number.

130782490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130782490 is a deficient number, since it is larger than the sum of its proper divisors (113026790).

130782490 is an frugal number, since it uses more digits than its factorization.

130782490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 130782490 is about 11436.0172262899. The cubic root of 130782490 is about 507.5940631458.

The spelling of 130782490 in words is "one hundred thirty million, seven hundred eighty-two thousand, four hundred ninety".