131616348 has 12 divisors (see below), whose sum is σ = 307104840. Its totient is φ = 43872112.

The previous prime is 131616307. The next prime is 131616367. The reversal of 131616348 is 843616131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5484003 + ... + 5484026.

It is an arithmetic number, because the mean of its divisors is an integer number (25592070).

Almost surely, 2^131616348 is an apocalyptic number.

It is an amenable number.

131616348 is an abundant number, since it is smaller than the sum of its proper divisors (175488492).

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

131616348 is a wasteful number, since it uses less digits than its factorization.

131616348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10968036 (or 10968034 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 131616348 is about 11472.4168334314. The cubic root of 131616348 is about 508.6705706195.

The spelling of 131616348 in words is "one hundred thirty-one million, six hundred sixteen thousand, three hundred forty-eight".