136773438 has 16 divisors (see below), whose sum is σ = 287944320. Its totient is φ = 43191576.

The previous prime is 136773437. The next prime is 136773467. The reversal of 136773438 is 834377631.

136773438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136773438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136773437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 599770 + ... + 599997.

It is an arithmetic number, because the mean of its divisors is an integer number (17996520).

Almost surely, 2^136773438 is an apocalyptic number.

136773438 is an abundant number, since it is smaller than the sum of its proper divisors (151170882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136773438 is a wasteful number, since it uses less digits than its factorization.

136773438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199791.

The product of its digits is 254016, while the sum is 42.

The square root of 136773438 is about 11695.0176571051. The cubic root of 136773438 is about 515.2293420359.

The spelling of 136773438 in words is "one hundred thirty-six million, seven hundred seventy-three thousand, four hundred thirty-eight".