130782491 has 8 divisors (see below), whose sum is σ = 157332480. Its totient is φ = 106199208.

The previous prime is 130782437. The next prime is 130782511. The reversal of 130782491 is 194287031.

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

It is not a de Polignac number, because 130782491 - 2⁶ = 130782427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130782401) 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, 491531 + ... + 491796.

It is an arithmetic number, because the mean of its divisors is an integer number (19666560).

Almost surely, 2^130782491 is an apocalyptic number.

130782491 is a deficient number, since it is larger than the sum of its proper divisors (26549989).

130782491 is an equidigital number, since it uses as much as digits as its factorization.

130782491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983353.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 130782491 is about 11436.0172700114. The cubic root of 130782491 is about 507.5940644395.

The spelling of 130782491 in words is "one hundred thirty million, seven hundred eighty-two thousand, four hundred ninety-one".