131575 has 12 divisors (see below), whose sum is σ = 172360. Its totient is φ = 99360.

The previous prime is 131561. The next prime is 131581. The reversal of 131575 is 575131.

131575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 131575 - 2⁵ = 131543 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337 + ... + 613.

2¹³¹⁵⁷⁵ is an apocalyptic number.

131575 is a deficient number, since it is larger than the sum of its proper divisors (40785).

131575 is a wasteful number, since it uses less digits than its factorization.

131575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 301 counting only the distinct ones).

The product of its digits is 525, while the sum is 22.

The square root of 131575 is about 362.7326839423. The cubic root of 131575 is about 50.8617297821.

Subtracting 131575 from its reverse (575131), we obtain a square (443556 = 666²).

The spelling of 131575 in words is "one hundred thirty-one thousand, five hundred seventy-five".