131616422 has 16 divisors (see below), whose sum is σ = 226128672. Its totient is φ = 56281920.

The previous prime is 131616409. The next prime is 131616427. The reversal of 131616422 is 224616131.

131616422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131616391 and 131616400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131616427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3743 + ... + 16650.

It is an arithmetic number, because the mean of its divisors is an integer number (14133042).

Almost surely, 2^131616422 is an apocalyptic number.

131616422 is a deficient number, since it is larger than the sum of its proper divisors (94512250).

131616422 is a wasteful number, since it uses less digits than its factorization.

131616422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20863.

The product of its digits is 1728, while the sum is 26.

The square root of 131616422 is about 11472.4200585578. The cubic root of 131616422 is about 508.6706659512.

The spelling of 131616422 in words is "one hundred thirty-one million, six hundred sixteen thousand, four hundred twenty-two".