136055197 has 4 divisors (see below), whose sum is σ = 136079356. Its totient is φ = 136031040.

The previous prime is 136055167. The next prime is 136055201. The reversal of 136055197 is 791550631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791550631 = 449 ⋅1762919.

It can be written as a sum of positive squares in 2 ways, for example, as 103917636 + 32137561 = 10194^2 + 5669^2 .

It is a cyclic number.

It is not a de Polignac number, because 136055197 - 2¹¹ = 136053149 is a prime.

It is a super-2 number, since 2×136055197² = 37022033261417618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136055147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333 + ... + 16549.

It is an arithmetic number, because the mean of its divisors is an integer number (34019839).

Almost surely, 2^136055197 is an apocalyptic number.

It is an amenable number.

136055197 is a deficient number, since it is larger than the sum of its proper divisors (24159).

136055197 is an equidigital number, since it uses as much as digits as its factorization.

136055197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24158.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 136055197 is about 11664.2701014680. The cubic root of 136055197 is about 514.3258807951.

The spelling of 136055197 in words is "one hundred thirty-six million, fifty-five thousand, one hundred ninety-seven".