132131686 has 4 divisors (see below), whose sum is σ = 198197532. Its totient is φ = 66065842.

The previous prime is 132131683. The next prime is 132131693. The reversal of 132131686 is 686131231.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132131683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33032920 + ... + 33032923.

It is an arithmetic number, because the mean of its divisors is an integer number (49549383).

Almost surely, 2^132131686 is an apocalyptic number.

132131686 is a deficient number, since it is larger than the sum of its proper divisors (66065846).

132131686 is an equidigital number, since it uses as much as digits as its factorization.

132131686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66065845.

The product of its digits is 5184, while the sum is 31.

The square root of 132131686 is about 11494.8547620229. The cubic root of 132131686 is about 509.3335984065. Note that the first 3 decimals are identical.

The spelling of 132131686 in words is "one hundred thirty-two million, one hundred thirty-one thousand, six hundred eighty-six".