136220193 has 12 divisors (see below), whose sum is σ = 197076880. Its totient is φ = 90668376.

The previous prime is 136220159. The next prime is 136220197. The reversal of 136220193 is 391022631.

It is not a de Polignac number, because 136220193 - 2⁶ = 136220129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136220197) 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 11 ways as a sum of consecutive naturals, for example, 5983 + ... + 17556.

Almost surely, 2^136220193 is an apocalyptic number.

It is an amenable number.

136220193 is a deficient number, since it is larger than the sum of its proper divisors (60856687).

136220193 is a wasteful number, since it uses less digits than its factorization.

136220193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24188 (or 24185 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 136220193 is about 11671.3406684922. The cubic root of 136220193 is about 514.5337068188.

The spelling of 136220193 in words is "one hundred thirty-six million, two hundred twenty thousand, one hundred ninety-three".