236552303138 has 6 divisors (see below), whose sum is σ = 354829486449. Its totient is φ = 118275807656.

The previous prime is 236552303131. The next prime is 236552303153. The reversal of 236552303138 is 831303255632.

236552303138 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 220808829409 + 15743473729 = 469903^2 + 125473^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=343913.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 236552303095 and 236552303104.

It is not an unprimeable number, because it can be changed into a prime (236552303131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 515870 + ... + 859782.

Almost surely, 2^236552303138 is an apocalyptic number.

236552303138 is a deficient number, since it is larger than the sum of its proper divisors (118277183311).

236552303138 is an frugal number, since it uses more digits than its factorization.

236552303138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687828 (or 343915 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 236552303138 in words is "two hundred thirty-six billion, five hundred fifty-two million, three hundred three thousand, one hundred thirty-eight".