131475 has 12 divisors (see below), whose sum is σ = 217496. Its totient is φ = 70080.

The previous prime is 131449. The next prime is 131477. The reversal of 131475 is 574131.

It is a de Polignac number, because none of the positive numbers 2^k-131475 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 131475.

It is not an unprimeable number, because it can be changed into a prime (131477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802 + ... + 951.

2¹³¹⁴⁷⁵ is an apocalyptic number.

131475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131475 is a deficient number, since it is larger than the sum of its proper divisors (86021).

131475 is a wasteful number, since it uses less digits than its factorization.

131475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1761 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 131475 is about 362.5948151863. The cubic root of 131475 is about 50.8488411582.

It can be divided in two parts, 131 and 475, that added together give a palindrome (606).

The spelling of 131475 in words is "one hundred thirty-one thousand, four hundred seventy-five".