131605468 has 12 divisors (see below), whose sum is σ = 233225440. Its totient is φ = 64969632.

The previous prime is 131605433. The next prime is 131605477. The reversal of 131605468 is 864506131.

It is a happy number.

131605468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 207921 + ... + 208552.

Almost surely, 2^131605468 is an apocalyptic number.

It is an amenable number.

131605468 is a deficient number, since it is larger than the sum of its proper divisors (101619972).

131605468 is a wasteful number, since it uses less digits than its factorization.

131605468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416556 (or 416554 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 131605468 is about 11471.9426428134. The cubic root of 131605468 is about 508.6565539000.

The spelling of 131605468 in words is "one hundred thirty-one million, six hundred five thousand, four hundred sixty-eight".