131712206 has 8 divisors (see below), whose sum is σ = 197739144. Its totient is φ = 65799160.

The previous prime is 131712187. The next prime is 131712227. The reversal of 131712206 is 602217131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25520 + ... + 30243.

It is an arithmetic number, because the mean of its divisors is an integer number (24717393).

Almost surely, 2^131712206 is an apocalyptic number.

131712206 is a deficient number, since it is larger than the sum of its proper divisors (66026938).

131712206 is a wasteful number, since it uses less digits than its factorization.

131712206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56946.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 131712206 is about 11476.5938326666. The cubic root of 131712206 is about 508.7940312471.

Adding to 131712206 its reverse (602217131), we get a palindrome (733929337).

The spelling of 131712206 in words is "one hundred thirty-one million, seven hundred twelve thousand, two hundred six".