130949784 has 96 divisors (see below), whose sum is σ = 420376320. Its totient is φ = 37410336.

The previous prime is 130949779. The next prime is 130949789. The reversal of 130949784 is 487949031.

It is an interprime number because it is at equal distance from previous prime (130949779) and next prime (130949789).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130949789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8797 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (4378920).

Almost surely, 2^130949784 is an apocalyptic number.

130949784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130949784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210188160).

130949784 is an abundant number, since it is smaller than the sum of its proper divisors (289426536).

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

130949784 is an equidigital number, since it uses as much as digits as its factorization.

130949784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9651 (or 9635 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 130949784 is about 11443.3292358474. The cubic root of 130949784 is about 507.8104052029.

The spelling of 130949784 in words is "one hundred thirty million, nine hundred forty-nine thousand, seven hundred eighty-four".