130917481 has 8 divisors (see below), whose sum is σ = 131950728. Its totient is φ = 129888000.

The previous prime is 130917461. The next prime is 130917491. The reversal of 130917481 is 184719031.

It can be written as a sum of positive squares in 4 ways, for example, as 7507600 + 123409881 = 2740^2 + 11109^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130917481 is a prime.

It is a super-2 number, since 2×130917481² = 34278773662770722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130917421) 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, 148161 + ... + 149041.

It is an arithmetic number, because the mean of its divisors is an integer number (16493841).

Almost surely, 2^130917481 is an apocalyptic number.

It is an amenable number.

130917481 is a deficient number, since it is larger than the sum of its proper divisors (1033247).

130917481 is an equidigital number, since it uses as much as digits as its factorization.

130917481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 130917481 is about 11441.9177151385. The cubic root of 130917481 is about 507.7686458148.

The spelling of 130917481 in words is "one hundred thirty million, nine hundred seventeen thousand, four hundred eighty-one".