135800543457 has 12 divisors (see below), whose sum is σ = 200940642084. Its totient is φ = 88325556480.

The previous prime is 135800543447. The next prime is 135800543497. The reversal of 135800543457 is 754345008531.

It is a happy number.

135800543457 is a `hidden beast` number, since 1 + 3 + 58 + 0 + 0 + 543 + 4 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 66692546001 + 69107997456 = 258249^2 + 262884^2 .

It is not a de Polignac number, because 135800543457 - 2⁸ = 135800543201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135800543447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184011208 + ... + 184011945.

It is an arithmetic number, because the mean of its divisors is an integer number (16745053507).

Almost surely, 2^135800543457 is an apocalyptic number.

It is an amenable number.

135800543457 is a deficient number, since it is larger than the sum of its proper divisors (65140098627).

135800543457 is a wasteful number, since it uses less digits than its factorization.

135800543457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368023200 (or 368023197 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 135800543457 in words is "one hundred thirty-five billion, eight hundred million, five hundred forty-three thousand, four hundred fifty-seven".