131132158 has 4 divisors (see below), whose sum is σ = 196698240. Its totient is φ = 65566078.

The previous prime is 131132149. The next prime is 131132159. The reversal of 131132158 is 851231131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 851231131 = 101 ⋅8428031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131132159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32783038 + ... + 32783041.

It is an arithmetic number, because the mean of its divisors is an integer number (49174560).

Almost surely, 2^131132158 is an apocalyptic number.

131132158 is a deficient number, since it is larger than the sum of its proper divisors (65566082).

131132158 is an equidigital number, since it uses as much as digits as its factorization.

131132158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65566081.

The product of its digits is 720, while the sum is 25.

The square root of 131132158 is about 11451.2950359337. The cubic root of 131132158 is about 508.0460386696.

Adding to 131132158 its reverse (851231131), we get a palindrome (982363289).

The spelling of 131132158 in words is "one hundred thirty-one million, one hundred thirty-two thousand, one hundred fifty-eight".