131854 has 4 divisors (see below), whose sum is σ = 197784. Its totient is φ = 65926.

The previous prime is 131849. The next prime is 131861. The reversal of 131854 is 458131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 458131 = 97 ⋅4723.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32962 + ... + 32965.

It is an arithmetic number, because the mean of its divisors is an integer number (49446).

2¹³¹⁸⁵⁴ is an apocalyptic number.

131854 is a deficient number, since it is larger than the sum of its proper divisors (65930).

131854 is an equidigital number, since it uses as much as digits as its factorization.

131854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65929.

The product of its digits is 480, while the sum is 22.

The square root of 131854 is about 363.1170610148. The cubic root of 131854 is about 50.8976545508.

Adding to 131854 its reverse (458131), we get a palindrome (589985).

The spelling of 131854 in words is "one hundred thirty-one thousand, eight hundred fifty-four".