131543606 has 8 divisors (see below), whose sum is σ = 197595840. Its totient is φ = 65678328.

The previous prime is 131543567. The next prime is 131543641. The reversal of 131543606 is 606345131.

It is a happy number.

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, 44966 + ... + 47801.

It is an arithmetic number, because the mean of its divisors is an integer number (24699480).

Almost surely, 2^131543606 is an apocalyptic number.

131543606 is a deficient number, since it is larger than the sum of its proper divisors (66052234).

131543606 is an equidigital number, since it uses as much as digits as its factorization.

131543606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93478.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 131543606 is about 11469.2460955374. The cubic root of 131543606 is about 508.5768423099.

Adding to 131543606 its reverse (606345131), we get a palindrome (737888737).

The spelling of 131543606 in words is "one hundred thirty-one million, five hundred forty-three thousand, six hundred six".