136388196 has 72 divisors (see below), whose sum is σ = 395338944. Its totient is φ = 38836800.

The previous prime is 136388191. The next prime is 136388201. The reversal of 136388196 is 691883631.

It is a happy number.

136388196 is a `hidden beast` number, since 1 + 3 + 638 + 8 + 1 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (136388191) and next prime (136388201).

It is not an unprimeable number, because it can be changed into a prime (136388191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93271 + ... + 94721.

Almost surely, 2^136388196 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 136388196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197669472).

136388196 is an abundant number, since it is smaller than the sum of its proper divisors (258950748).

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

136388196 is a wasteful number, since it uses less digits than its factorization.

136388196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841 (or 1836 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 136388196 is about 11678.5356958824. The cubic root of 136388196 is about 514.7451480435.

The spelling of 136388196 in words is "one hundred thirty-six million, three hundred eighty-eight thousand, one hundred ninety-six".