136234538 has 16 divisors (see below), whose sum is σ = 223213536. Its totient is φ = 61845840.

The previous prime is 136234531. The next prime is 136234561. The reversal of 136234538 is 835432631.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136234498 and 136234507.

It is not an unprimeable number, because it can be changed into a prime (136234531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15920 + ... + 22932.

It is an arithmetic number, because the mean of its divisors is an integer number (13950846).

Almost surely, 2^136234538 is an apocalyptic number.

136234538 is a deficient number, since it is larger than the sum of its proper divisors (86978998).

136234538 is a wasteful number, since it uses less digits than its factorization.

136234538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909.

The product of its digits is 51840, while the sum is 35.

The square root of 136234538 is about 11671.9551918263. The cubic root of 136234538 is about 514.5517675943.

The spelling of 136234538 in words is "one hundred thirty-six million, two hundred thirty-four thousand, five hundred thirty-eight".