131969032256 has 14 divisors (see below), whose sum is σ = 261876048510. Its totient is φ = 65984516096.

The previous prime is 131969032219. The next prime is 131969032259. The reversal of 131969032256 is 652230969131.

It can be written as a sum of positive squares in only one way, i.e., 79966790656 + 52002241600 = 282784^2 + 228040^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131969032256.

It is not an unprimeable number, because it can be changed into a prime (131969032259) by changing a digit.

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, 1031008001 + ... + 1031008128.

Almost surely, 2^131969032256 is an apocalyptic number.

131969032256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

131969032256 is a deficient number, since it is larger than the sum of its proper divisors (129907016254).

131969032256 is an equidigital number, since it uses as much as digits as its factorization.

131969032256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062016141 (or 2062016131 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 131969032256 in words is "one hundred thirty-one billion, nine hundred sixty-nine million, thirty-two thousand, two hundred fifty-six".