136801555 has 32 divisors (see below), whose sum is σ = 186624000. Its totient is φ = 95356800.

The previous prime is 136801549. The next prime is 136801559. The reversal of 136801555 is 555108631.

It is not a de Polignac number, because 136801555 - 2⁹ = 136801043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136801555.

It is not an unprimeable number, because it can be changed into a prime (136801559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317190 + ... + 317620.

It is an arithmetic number, because the mean of its divisors is an integer number (5832000).

Almost surely, 2^136801555 is an apocalyptic number.

136801555 is a deficient number, since it is larger than the sum of its proper divisors (49822445).

136801555 is a wasteful number, since it uses less digits than its factorization.

136801555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 136801555 is about 11696.2196884292. The cubic root of 136801555 is about 515.2646454570.

The spelling of 136801555 in words is "one hundred thirty-six million, eight hundred one thousand, five hundred fifty-five".