131056451546 has 16 divisors (see below), whose sum is σ = 202616306280. Its totient is φ = 63530288640.

The previous prime is 131056451531. The next prime is 131056451549. The reversal of 131056451546 is 645154650131.

It can be written as a sum of positive squares in 4 ways, for example, as 125166656521 + 5889795025 = 353789^2 + 76745^2 .

It is not an unprimeable number, because it can be changed into a prime (131056451549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3130511 + ... + 3172098.

Almost surely, 2^131056451546 is an apocalyptic number.

131056451546 is a deficient number, since it is larger than the sum of its proper divisors (71559854734).

131056451546 is a wasteful number, since it uses less digits than its factorization.

131056451546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302929.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 131056451546 in words is "one hundred thirty-one billion, fifty-six million, four hundred fifty-one thousand, five hundred forty-six".