131725 has 12 divisors (see below), whose sum is σ = 178560. Its totient is φ = 95600.

The previous prime is 131713. The next prime is 131731. The reversal of 131725 is 527131.

It is not a de Polignac number, because 131725 - 2⁹ = 131213 is a prime.

It is an Ulam number.

131725 is a lucky number.

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, 36 + ... + 514.

It is an arithmetic number, because the mean of its divisors is an integer number (14880).

2¹³¹⁷²⁵ is an apocalyptic number.

It is an amenable number.

131725 is a deficient number, since it is larger than the sum of its proper divisors (46835).

131725 is a wasteful number, since it uses less digits than its factorization.

131725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 495 counting only the distinct ones).

The product of its digits is 210, while the sum is 19.

The square root of 131725 is about 362.9393888792. The cubic root of 131725 is about 50.8810504790.

Adding to 131725 its reverse (527131), we get a palindrome (658856).

The spelling of 131725 in words is "one hundred thirty-one thousand, seven hundred twenty-five".