136556045553 has 32 divisors (see below), whose sum is σ = 191102999040. Its totient is φ = 86617036800.

The previous prime is 136556045551. The next prime is 136556045557. The reversal of 136556045553 is 355540655631.

It is not a de Polignac number, because 136556045553 - 2¹ = 136556045551 is a prime.

It is a super-2 number, since 2×136556045553² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (136556045551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7618600 + ... + 7636502.

It is an arithmetic number, because the mean of its divisors is an integer number (5971968720).

Almost surely, 2^136556045553 is an apocalyptic number.

It is an amenable number.

136556045553 is a deficient number, since it is larger than the sum of its proper divisors (54546953487).

136556045553 is a wasteful number, since it uses less digits than its factorization.

136556045553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19209.

The product of its (nonzero) digits is 4050000, while the sum is 48.

The spelling of 136556045553 in words is "one hundred thirty-six billion, five hundred fifty-six million, forty-five thousand, five hundred fifty-three".