130782477 has 8 divisors (see below), whose sum is σ = 199287616. Its totient is φ = 74732832.

The previous prime is 130782437. The next prime is 130782511. The reversal of 130782477 is 774287031.

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

It is not a de Polignac number, because 130782477 - 2⁷ = 130782349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130782427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3113848 + ... + 3113889.

It is an arithmetic number, because the mean of its divisors is an integer number (24910952).

Almost surely, 2^130782477 is an apocalyptic number.

It is an amenable number.

130782477 is a deficient number, since it is larger than the sum of its proper divisors (68505139).

130782477 is an equidigital number, since it uses as much as digits as its factorization.

130782477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227747.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 130782477 is about 11436.0166579102. The cubic root of 130782477 is about 507.5940463272.

The spelling of 130782477 in words is "one hundred thirty million, seven hundred eighty-two thousand, four hundred seventy-seven".