131686675 has 12 divisors (see below), whose sum is σ = 172897416. Its totient is φ = 99152000.

The previous prime is 131686673. The next prime is 131686699. The reversal of 131686675 is 576686131.

It is not a de Polignac number, because 131686675 - 2¹ = 131686673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131686673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154501 + ... + 155350.

It is an arithmetic number, because the mean of its divisors is an integer number (14408118).

Almost surely, 2^131686675 is an apocalyptic number.

131686675 is a deficient number, since it is larger than the sum of its proper divisors (41210741).

131686675 is a wasteful number, since it uses less digits than its factorization.

131686675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309878 (or 309873 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 131686675 is about 11475.4814713806. The cubic root of 131686675 is about 508.7611543655.

The spelling of 131686675 in words is "one hundred thirty-one million, six hundred eighty-six thousand, six hundred seventy-five".