131745206 has 32 divisors (see below), whose sum is σ = 216548640. Its totient is φ = 59867136.

The previous prime is 131745203. The next prime is 131745241. The reversal of 131745206 is 602547131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131745203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141350 + ... + 142278.

It is an arithmetic number, because the mean of its divisors is an integer number (6767145).

Almost surely, 2^131745206 is an apocalyptic number.

131745206 is a deficient number, since it is larger than the sum of its proper divisors (84803434).

131745206 is a wasteful number, since it uses less digits than its factorization.

131745206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 131745206 is about 11478.0314514293. The cubic root of 131745206 is about 508.8365198453.

The spelling of 131745206 in words is "one hundred thirty-one million, seven hundred forty-five thousand, two hundred six".