131349366 has 24 divisors (see below), whose sum is σ = 296964720. Its totient is φ = 41879376.

The previous prime is 131349331. The next prime is 131349373. The reversal of 131349366 is 663943131.

It is a self number, because there is not a number n which added to its sum of digits gives 131349366.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158221 + ... + 159048.

It is an arithmetic number, because the mean of its divisors is an integer number (12373530).

Almost surely, 2^131349366 is an apocalyptic number.

131349366 is an abundant number, since it is smaller than the sum of its proper divisors (165615354).

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

131349366 is a wasteful number, since it uses less digits than its factorization.

131349366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317300 (or 317297 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 131349366 is about 11460.7751046777. The cubic root of 131349366 is about 508.3263939809.

It can be divided in two parts, 13134 and 9366, that added together give a square (22500 = 150²).

The spelling of 131349366 in words is "one hundred thirty-one million, three hundred forty-nine thousand, three hundred sixty-six".