131875366 has 12 divisors (see below), whose sum is σ = 230109228. Its totient is φ = 56517972.

The previous prime is 131875361. The next prime is 131875369. The reversal of 131875366 is 663578131.

It is a happy number.

It is a super-2 number, since 2×131875366² = 34782224315267912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131875361) 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 5 ways as a sum of consecutive naturals, for example, 672736 + ... + 672931.

It is an arithmetic number, because the mean of its divisors is an integer number (19175769).

Almost surely, 2^131875366 is an apocalyptic number.

131875366 is a deficient number, since it is larger than the sum of its proper divisors (98233862).

131875366 is a wasteful number, since it uses less digits than its factorization.

131875366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345683 (or 1345676 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 131875366 is about 11483.7000134974. The cubic root of 131875366 is about 509.0040360288.

The spelling of 131875366 in words is "one hundred thirty-one million, eight hundred seventy-five thousand, three hundred sixty-six".