131646445422 has 8 divisors (see below), whose sum is σ = 263292890856. Its totient is φ = 43882148472.

The previous prime is 131646445421. The next prime is 131646445423. The reversal of 131646445422 is 224544646131.

It is an interprime number because it is at equal distance from previous prime (131646445421) and next prime (131646445423).

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

131646445422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131646445421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10970537113 + ... + 10970537124.

It is an arithmetic number, because the mean of its divisors is an integer number (32911611357).

Almost surely, 2^131646445422 is an apocalyptic number.

131646445422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131646445422 is a wasteful number, since it uses less digits than its factorization.

131646445422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21941074242.

The product of its digits is 552960, while the sum is 42.

The spelling of 131646445422 in words is "one hundred thirty-one billion, six hundred forty-six million, four hundred forty-five thousand, four hundred twenty-two".