136816198 has 8 divisors (see below), whose sum is σ = 206197560. Its totient is φ = 68083680.

The previous prime is 136816193. The next prime is 136816217. The reversal of 136816198 is 891618631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136816193) 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, 161683 + ... + 162526.

It is an arithmetic number, because the mean of its divisors is an integer number (25774695).

Almost surely, 2^136816198 is an apocalyptic number.

136816198 is a deficient number, since it is larger than the sum of its proper divisors (69381362).

136816198 is a wasteful number, since it uses less digits than its factorization.

136816198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324422.

The product of its digits is 62208, while the sum is 43.

The square root of 136816198 is about 11696.8456431638. The cubic root of 136816198 is about 515.2830291442.

The spelling of 136816198 in words is "one hundred thirty-six million, eight hundred sixteen thousand, one hundred ninety-eight".