131662 has 4 divisors (see below), whose sum is σ = 197496. Its totient is φ = 65830.

The previous prime is 131641. The next prime is 131671. The reversal of 131662 is 266131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 266131 = 41 ⋅6491.

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, 32914 + ... + 32917.

It is an arithmetic number, because the mean of its divisors is an integer number (49374).

2¹³¹⁶⁶² is an apocalyptic number.

131662 is a deficient number, since it is larger than the sum of its proper divisors (65834).

131662 is an equidigital number, since it uses as much as digits as its factorization.

131662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65833.

The product of its digits is 216, while the sum is 19.

The square root of 131662 is about 362.8525871480. The cubic root of 131662 is about 50.8729375737.

Adding to 131662 its reverse (266131), we get a palindrome (397793).

It can be divided in two parts, 1316 and 62, that added together give a triangular number (1378 = T₅₂).

The spelling of 131662 in words is "one hundred thirty-one thousand, six hundred sixty-two".