131576 has 8 divisors (see below), whose sum is σ = 246720. Its totient is φ = 65784.

The previous prime is 131561. The next prime is 131581. The reversal of 131576 is 675131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216 + ... + 8231.

It is an arithmetic number, because the mean of its divisors is an integer number (30840).

2¹³¹⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

131576 is a deficient number, since it is larger than the sum of its proper divisors (115144).

131576 is a wasteful number, since it uses less digits than its factorization.

131576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16453 (or 16449 counting only the distinct ones).

The product of its digits is 630, while the sum is 23.

The square root of 131576 is about 362.7340623653. The cubic root of 131576 is about 50.8618586353.

It can be divided in two parts, 131 and 576, that added together give a palindrome (707).

The spelling of 131576 in words is "one hundred thirty-one thousand, five hundred seventy-six".