131972068 has 24 divisors (see below), whose sum is σ = 241815168. Its totient is φ = 62901696.

The previous prime is 131972063. The next prime is 131972143. The reversal of 131972068 is 860279131.

It is not an unprimeable number, because it can be changed into a prime (131972063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26505 + ... + 31087.

It is an arithmetic number, because the mean of its divisors is an integer number (10075632).

Almost surely, 2^131972068 is an apocalyptic number.

It is an amenable number.

131972068 is a deficient number, since it is larger than the sum of its proper divisors (109843100).

131972068 is a wasteful number, since it uses less digits than its factorization.

131972068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923 (or 4921 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 131972068 is about 11487.9096444915. The cubic root of 131972068 is about 509.1284203459.

The spelling of 131972068 in words is "one hundred thirty-one million, nine hundred seventy-two thousand, sixty-eight".