131355916 has 6 divisors (see below), whose sum is σ = 229872860. Its totient is φ = 65677956.

The previous prime is 131355899. The next prime is 131355941. The reversal of 131355916 is 619553131.

It is a happy number.

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, 16419486 + ... + 16419493.

Almost surely, 2^131355916 is an apocalyptic number.

It is an amenable number.

131355916 is a deficient number, since it is larger than the sum of its proper divisors (98516944).

131355916 is a wasteful number, since it uses less digits than its factorization.

131355916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32838983 (or 32838981 counting only the distinct ones).

The product of its digits is 12150, while the sum is 34.

The square root of 131355916 is about 11461.0608584022. The cubic root of 131355916 is about 508.3348434128.

The spelling of 131355916 in words is "one hundred thirty-one million, three hundred fifty-five thousand, nine hundred sixteen".