136855197 has 16 divisors (see below), whose sum is σ = 207465280. Its totient is φ = 89114256.

The previous prime is 136855141. The next prime is 136855231. The reversal of 136855197 is 791558631.

It is a happy number.

136855197 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 551 + 97 = 666.

It is not a de Polignac number, because 136855197 - 2⁶ = 136855133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136855597) 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, 57778 + ... + 60099.

It is an arithmetic number, because the mean of its divisors is an integer number (12966580).

Almost surely, 2^136855197 is an apocalyptic number.

It is an amenable number.

136855197 is a deficient number, since it is larger than the sum of its proper divisors (70610083).

136855197 is a wasteful number, since it uses less digits than its factorization.

136855197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117929 (or 117923 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 136855197 is about 11698.5125977622. The cubic root of 136855197 is about 515.3319843948.

It can be divided in two parts, 1368 and 55197, that added together give a palindrome (56565).

The spelling of 136855197 in words is "one hundred thirty-six million, eight hundred fifty-five thousand, one hundred ninety-seven".