131678322 has 32 divisors (see below), whose sum is σ = 279787200. Its totient is φ = 41197248.

The previous prime is 131678293. The next prime is 131678329. The reversal of 131678322 is 223876131.

It is not an unprimeable number, because it can be changed into a prime (131678329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7128 + ... + 17724.

It is an arithmetic number, because the mean of its divisors is an integer number (8743350).

Almost surely, 2^131678322 is an apocalyptic number.

131678322 is an abundant number, since it is smaller than the sum of its proper divisors (148108878).

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

131678322 is a wasteful number, since it uses less digits than its factorization.

131678322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10730.

The product of its digits is 12096, while the sum is 33.

The square root of 131678322 is about 11475.1175157381. The cubic root of 131678322 is about 508.7503970843.

The spelling of 131678322 in words is "one hundred thirty-one million, six hundred seventy-eight thousand, three hundred twenty-two".