131149768 has 16 divisors (see below), whose sum is σ = 247196160. Its totient is φ = 65230800.

The previous prime is 131149763. The next prime is 131149769. The reversal of 131149768 is 867941131.

It is a self number, because there is not a number n which added to its sum of digits gives 131149768.

It is not an unprimeable number, because it can be changed into a prime (131149763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41388 + ... + 44443.

It is an arithmetic number, because the mean of its divisors is an integer number (15449760).

Almost surely, 2^131149768 is an apocalyptic number.

It is an amenable number.

131149768 is a deficient number, since it is larger than the sum of its proper divisors (116046392).

131149768 is a wasteful number, since it uses less digits than its factorization.

131149768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86028 (or 86024 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 131149768 is about 11452.0639187877. The cubic root of 131149768 is about 508.0687798248.

The spelling of 131149768 in words is "one hundred thirty-one million, one hundred forty-nine thousand, seven hundred sixty-eight".