131298785 has 8 divisors (see below), whose sum is σ = 157622976. Its totient is φ = 104996080.

The previous prime is 131298767. The next prime is 131298821. The reversal of 131298785 is 587892131.

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

It is a de Polignac number, because none of the positive numbers 2^k-131298785 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15350 + ... + 22320.

It is an arithmetic number, because the mean of its divisors is an integer number (19702872).

Almost surely, 2^131298785 is an apocalyptic number.

It is an amenable number.

131298785 is a deficient number, since it is larger than the sum of its proper divisors (26324191).

131298785 is an equidigital number, since it uses as much as digits as its factorization.

131298785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743.

The product of its digits is 120960, while the sum is 44.

The square root of 131298785 is about 11458.5681915325. The cubic root of 131298785 is about 508.2611355554.

The spelling of 131298785 in words is "one hundred thirty-one million, two hundred ninety-eight thousand, seven hundred eighty-five".