136526238 has 24 divisors (see below), whose sum is σ = 296242128. Its totient is φ = 45441792.

The previous prime is 136526231. The next prime is 136526249. The reversal of 136526238 is 832625631.

It is a happy number.

136526238 is a `hidden beast` number, since 1 + 365 + 262 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136526231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7870 + ... + 18302.

It is an arithmetic number, because the mean of its divisors is an integer number (12343422).

Almost surely, 2^136526238 is an apocalyptic number.

136526238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

136526238 is an abundant number, since it is smaller than the sum of its proper divisors (159715890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136526238 is a wasteful number, since it uses less digits than its factorization.

136526238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11168 (or 11165 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 136526238 is about 11684.4442743333. Note that the first 3 decimals coincide. The cubic root of 136526238 is about 514.9187517536.

The spelling of 136526238 in words is "one hundred thirty-six million, five hundred twenty-six thousand, two hundred thirty-eight".