131662456 has 16 divisors (see below), whose sum is σ = 254831040. Its totient is φ = 63707520.

The previous prime is 131662451. The next prime is 131662469. The reversal of 131662456 is 654266131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131662451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265201 + ... + 265696.

It is an arithmetic number, because the mean of its divisors is an integer number (15926940).

Almost surely, 2^131662456 is an apocalyptic number.

It is an amenable number.

131662456 is a deficient number, since it is larger than the sum of its proper divisors (123168584).

131662456 is a wasteful number, since it uses less digits than its factorization.

131662456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530934 (or 530930 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 131662456 is about 11474.4261730162. The cubic root of 131662456 is about 508.7299630501.

The spelling of 131662456 in words is "one hundred thirty-one million, six hundred sixty-two thousand, four hundred fifty-six".