131348285 has 8 divisors (see below), whose sum is σ = 164471040. Its totient is φ = 100509904.

The previous prime is 131348281. The next prime is 131348299. The reversal of 131348285 is 582843131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131348285 - 2² = 131348281 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131348281) by changing a digit.

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, 570965 + ... + 571194.

It is an arithmetic number, because the mean of its divisors is an integer number (20558880).

Almost surely, 2^131348285 is an apocalyptic number.

It is an amenable number.

131348285 is a deficient number, since it is larger than the sum of its proper divisors (33122755).

131348285 is a wasteful number, since it uses less digits than its factorization.

131348285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142187.

The product of its digits is 23040, while the sum is 35.

The square root of 131348285 is about 11460.7279437216. The cubic root of 131348285 is about 508.3249994752.

The spelling of 131348285 in words is "one hundred thirty-one million, three hundred forty-eight thousand, two hundred eighty-five".