136605554 has 16 divisors (see below), whose sum is σ = 221524800. Its totient is φ = 62958384.

The previous prime is 136605551. The next prime is 136605559. The reversal of 136605554 is 455506631.

136605554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136605554² = 37322154767293832, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136605551) 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 7 ways as a sum of consecutive naturals, for example, 47174 + ... + 49985.

It is an arithmetic number, because the mean of its divisors is an integer number (13845300).

Almost surely, 2^136605554 is an apocalyptic number.

136605554 is a deficient number, since it is larger than the sum of its proper divisors (84919246).

136605554 is a wasteful number, since it uses less digits than its factorization.

136605554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97217.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 136605554 is about 11687.8378667742. The cubic root of 136605554 is about 515.0184478263.

The spelling of 136605554 in words is "one hundred thirty-six million, six hundred five thousand, five hundred fifty-four".