131516146 has 8 divisors (see below), whose sum is σ = 197621424. Its totient is φ = 65642340.

The previous prime is 131516137. The next prime is 131516173. The reversal of 131516146 is 641615131.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 56440 + ... + 58723.

It is an arithmetic number, because the mean of its divisors is an integer number (24702678).

Almost surely, 2^131516146 is an apocalyptic number.

131516146 is a deficient number, since it is larger than the sum of its proper divisors (66105278).

131516146 is a wasteful number, since it uses less digits than its factorization.

131516146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115736.

The product of its digits is 2160, while the sum is 28.

The square root of 131516146 is about 11468.0489186260. The cubic root of 131516146 is about 508.5414510243.

The spelling of 131516146 in words is "one hundred thirty-one million, five hundred sixteen thousand, one hundred forty-six".