131204606 has 16 divisors (see below), whose sum is σ = 224414064. Its totient is φ = 56993664.

The previous prime is 131204599. The next prime is 131204609. The reversal of 131204606 is 606402131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131204609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147980 + ... + 148863.

It is an arithmetic number, because the mean of its divisors is an integer number (14025879).

Almost surely, 2^131204606 is an apocalyptic number.

131204606 is a deficient number, since it is larger than the sum of its proper divisors (93209458).

131204606 is a wasteful number, since it uses less digits than its factorization.

131204606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296875.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 131204606 is about 11454.4579094779. The cubic root of 131204606 is about 508.1395833390.

Adding to 131204606 its reverse (606402131), we get a palindrome (737606737).

The spelling of 131204606 in words is "one hundred thirty-one million, two hundred four thousand, six hundred six".