136811338 has 8 divisors (see below), whose sum is σ = 209089188. Its totient is φ = 67114944.

The previous prime is 136811333. The next prime is 136811347. The reversal of 136811338 is 833118631.

It can be written as a sum of positive squares in 2 ways, for example, as 130576329 + 6235009 = 11427^2 + 2497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (136811333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645231 + ... + 645442.

Almost surely, 2^136811338 is an apocalyptic number.

136811338 is a deficient number, since it is larger than the sum of its proper divisors (72277850).

136811338 is a wasteful number, since it uses less digits than its factorization.

136811338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290728.

The product of its digits is 10368, while the sum is 34.

The square root of 136811338 is about 11696.6378930016. The cubic root of 136811338 is about 515.2769277585.

Adding to 136811338 its reverse (833118631), we get a palindrome (969929969).

The spelling of 136811338 in words is "one hundred thirty-six million, eight hundred eleven thousand, three hundred thirty-eight".