131157168 has 20 divisors (see below), whose sum is σ = 338822808. Its totient is φ = 43719040.

The previous prime is 131157167. The next prime is 131157197. The reversal of 131157168 is 861751131.

It is not an unprimeable number, because it can be changed into a prime (131157167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366173 + ... + 1366268.

Almost surely, 2^131157168 is an apocalyptic number.

It is an amenable number.

131157168 is an abundant number, since it is smaller than the sum of its proper divisors (207665640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131157168 is a wasteful number, since it uses less digits than its factorization.

131157168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732452 (or 2732446 counting only the distinct ones).

The product of its digits is 5040, while the sum is 33.

The square root of 131157168 is about 11452.3870000974. The cubic root of 131157168 is about 508.0783354098.

The spelling of 131157168 in words is "one hundred thirty-one million, one hundred fifty-seven thousand, one hundred sixty-eight".