131056446436 has 6 divisors (see below), whose sum is σ = 229348781270. Its totient is φ = 65528223216.

The previous prime is 131056446419. The next prime is 131056446449. The reversal of 131056446436 is 634644650131.

It can be written as a sum of positive squares in only one way, i.e., 125379728100 + 5676718336 = 354090^2 + 75344^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131056446392 and 131056446401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16382055801 + ... + 16382055808.

Almost surely, 2^131056446436 is an apocalyptic number.

It is an amenable number.

131056446436 is a deficient number, since it is larger than the sum of its proper divisors (98292334834).

131056446436 is a wasteful number, since it uses less digits than its factorization.

131056446436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32764111613 (or 32764111611 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 131056446436 in words is "one hundred thirty-one billion, fifty-six million, four hundred forty-six thousand, four hundred thirty-six".