131355422 has 12 divisors (see below), whose sum is σ = 216574008. Its totient is φ = 59706900.

The previous prime is 131355421. The next prime is 131355451. The reversal of 131355422 is 224553131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131355391 and 131355400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131355421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271154 + ... + 271637.

It is an arithmetic number, because the mean of its divisors is an integer number (18047834).

Almost surely, 2^131355422 is an apocalyptic number.

131355422 is a deficient number, since it is larger than the sum of its proper divisors (85218586).

131355422 is a wasteful number, since it uses less digits than its factorization.

131355422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542815 (or 542804 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 131355422 is about 11461.0393071484. The cubic root of 131355422 is about 508.3342061677.

It can be divided in two parts, 131 and 355422, that added together give a palindrome (355553).

The spelling of 131355422 in words is "one hundred thirty-one million, three hundred fifty-five thousand, four hundred twenty-two".