131686653 has 8 divisors (see below), whose sum is σ = 200665408. Its totient is φ = 75249504.

The previous prime is 131686649. The next prime is 131686673. The reversal of 131686653 is 356686131.

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

It is not a de Polignac number, because 131686653 - 2² = 131686649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131686603) 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, 3135376 + ... + 3135417.

It is an arithmetic number, because the mean of its divisors is an integer number (25083176).

Almost surely, 2^131686653 is an apocalyptic number.

It is an amenable number.

131686653 is a deficient number, since it is larger than the sum of its proper divisors (68978755).

131686653 is an equidigital number, since it uses as much as digits as its factorization.

131686653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270803.

The product of its digits is 77760, while the sum is 39.

The square root of 131686653 is about 11475.4805128151. The cubic root of 131686653 is about 508.7611260337.

The spelling of 131686653 in words is "one hundred thirty-one million, six hundred eighty-six thousand, six hundred fifty-three".