131645412042210 has 192 divisors, whose sum is σ = 389255474949120. Its totient is φ = 30578765760000.

The previous prime is 131645412042187. The next prime is 131645412042271. The reversal of 131645412042210 is 12240214546131.

131645412042210 is a `hidden beast` number, since 1 + 3 + 1 + 64 + 54 + 120 + 422 + 1 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18135565 + ... + 24334944.

It is an arithmetic number, because the mean of its divisors is an integer number (2027372265360).

Almost surely, 2^{131645412042210} is an apocalyptic number.

131645412042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131645412042210 is an abundant number, since it is smaller than the sum of its proper divisors (257610062906910).

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

131645412042210 is a wasteful number, since it uses less digits than its factorization.

131645412042210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42470665 (or 42470662 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 131645412042210 its reverse (12240214546131), we get a palindrome (143885626588341).

The spelling of 131645412042210 in words is "one hundred thirty-one trillion, six hundred forty-five billion, four hundred twelve million, forty-two thousand, two hundred ten".