131654 has 4 divisors (see below), whose sum is σ = 197484. Its totient is φ = 65826.

The previous prime is 131641. The next prime is 131671. The reversal of 131654 is 456131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32912 + ... + 32915.

It is an arithmetic number, because the mean of its divisors is an integer number (49371).

2¹³¹⁶⁵⁴ is an apocalyptic number.

131654 is a deficient number, since it is larger than the sum of its proper divisors (65830).

131654 is an equidigital number, since it uses as much as digits as its factorization.

131654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65829.

The product of its digits is 360, while the sum is 20.

The square root of 131654 is about 362.8415632201. The cubic root of 131654 is about 50.8719071784.

Adding to 131654 its reverse (456131), we get a palindrome (587785).

The spelling of 131654 in words is "one hundred thirty-one thousand, six hundred fifty-four".