136574123 has 6 divisors (see below), whose sum is σ = 158871996. Its totient is φ = 117063492.

The previous prime is 136574111. The next prime is 136574129. The reversal of 136574123 is 321475631.

136574123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136574123 - 2⁸ = 136573867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136574123.

It is not an unprimeable number, because it can be changed into a prime (136574129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1393565 + ... + 1393662.

It is an arithmetic number, because the mean of its divisors is an integer number (26478666).

Almost surely, 2^136574123 is an apocalyptic number.

136574123 is a deficient number, since it is larger than the sum of its proper divisors (22297873).

136574123 is an equidigital number, since it uses as much as digits as its factorization.

136574123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787241 (or 2787234 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 136574123 is about 11686.4931865808. The cubic root of 136574123 is about 514.9789453170.

The spelling of 136574123 in words is "one hundred thirty-six million, five hundred seventy-four thousand, one hundred twenty-three".