136198088 has 64 divisors (see below), whose sum is σ = 290424960. Its totient is φ = 59406336.

The previous prime is 136198087. The next prime is 136198199. The reversal of 136198088 is 880891631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (136198081) 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 15 ways as a sum of consecutive naturals, for example, 231731 + ... + 232317.

It is an arithmetic number, because the mean of its divisors is an integer number (4537890).

Almost surely, 2^136198088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136198088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145212480).

136198088 is an abundant number, since it is smaller than the sum of its proper divisors (154226872).

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

136198088 is a wasteful number, since it uses less digits than its factorization.

136198088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 136198088 is about 11670.3936523152. The cubic root of 136198088 is about 514.5058734934.

The spelling of 136198088 in words is "one hundred thirty-six million, one hundred ninety-eight thousand, eighty-eight".