131604326 has 16 divisors (see below), whose sum is σ = 225789984. Its totient is φ = 56356224.

The previous prime is 131604323. The next prime is 131604359. The reversal of 131604326 is 623406131.

131604326 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131604295 and 131604304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131604323) 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, 18716 + ... + 24768.

It is an arithmetic number, because the mean of its divisors is an integer number (14111874).

Almost surely, 2^131604326 is an apocalyptic number.

131604326 is a deficient number, since it is larger than the sum of its proper divisors (94185658).

131604326 is a wasteful number, since it uses less digits than its factorization.

131604326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7615.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 131604326 is about 11471.8928690953. The cubic root of 131604326 is about 508.6550826150.

The spelling of 131604326 in words is "one hundred thirty-one million, six hundred four thousand, three hundred twenty-six".