136023538 has 8 divisors (see below), whose sum is σ = 233183232. Its totient is φ = 58295796.

The previous prime is 136023529. The next prime is 136023539. The reversal of 136023538 is 835320631.

136023538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (136023539) 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, 4857970 + ... + 4857997.

It is an arithmetic number, because the mean of its divisors is an integer number (29147904).

Almost surely, 2^136023538 is an apocalyptic number.

136023538 is a deficient number, since it is larger than the sum of its proper divisors (97159694).

136023538 is an equidigital number, since it uses as much as digits as its factorization.

136023538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9715976.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 136023538 is about 11662.9129294529. The cubic root of 136023538 is about 514.2859844722.

The spelling of 136023538 in words is "one hundred thirty-six million, twenty-three thousand, five hundred thirty-eight".