131350646 has 16 divisors (see below), whose sum is σ = 225359520. Its totient is φ = 56246400.

The previous prime is 131350633. The next prime is 131350649. The reversal of 131350646 is 646053131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131350649) 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 7 ways as a sum of consecutive naturals, for example, 17696 + ... + 23996.

It is an arithmetic number, because the mean of its divisors is an integer number (14084970).

Almost surely, 2^131350646 is an apocalyptic number.

131350646 is a deficient number, since it is larger than the sum of its proper divisors (94008874).

131350646 is a wasteful number, since it uses less digits than its factorization.

131350646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 131350646 is about 11460.8309471870. The cubic root of 131350646 is about 508.3280451897.

The spelling of 131350646 in words is "one hundred thirty-one million, three hundred fifty thousand, six hundred forty-six".