131667332 has 6 divisors (see below), whose sum is σ = 230417838. Its totient is φ = 65833664.

The previous prime is 131667311. The next prime is 131667343. The reversal of 131667332 is 233766131.

It can be written as a sum of positive squares in only one way, i.e., 131423296 + 244036 = 11464^2 + 494^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16458413 + ... + 16458420.

It is an arithmetic number, because the mean of its divisors is an integer number (38402973).

Almost surely, 2^131667332 is an apocalyptic number.

It is an amenable number.

131667332 is a deficient number, since it is larger than the sum of its proper divisors (98750506).

131667332 is a wasteful number, since it uses less digits than its factorization.

131667332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32916837 (or 32916835 counting only the distinct ones).

The product of its digits is 13608, while the sum is 32.

The square root of 131667332 is about 11474.6386435478. The cubic root of 131667332 is about 508.7362430906.

The spelling of 131667332 in words is "one hundred thirty-one million, six hundred sixty-seven thousand, three hundred thirty-two".