131342222400440 has 32 divisors (see below), whose sum is σ = 295520431153680. Its totient is φ = 52536812381952.

The previous prime is 131342222400401. The next prime is 131342222400451. The reversal of 131342222400440 is 44004222243131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131342222400397 and 131342222400406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31221404 + ... + 35177556.

Almost surely, 2^{131342222400440} is an apocalyptic number.

131342222400440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131342222400440 is an abundant number, since it is smaller than the sum of its proper divisors (164178208753240).

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

131342222400440 is a wasteful number, since it uses less digits than its factorization.

131342222400440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786151 (or 4786147 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 131342222400440 its reverse (44004222243131), we get a palindrome (175346444643571).

The spelling of 131342222400440 in words is "one hundred thirty-one trillion, three hundred forty-two billion, two hundred twenty-two million, four hundred thousand, four hundred forty".