136100091 has 4 divisors (see below), whose sum is σ = 181466792. Its totient is φ = 90733392.

The previous prime is 136100087. The next prime is 136100093. The reversal of 136100091 is 190001631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190001631 = 3 ⋅63333877.

It is not a de Polignac number, because 136100091 - 2² = 136100087 is a prime.

It is a super-3 number, since 3×136100091³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136100093) 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, 22683346 + ... + 22683351.

It is an arithmetic number, because the mean of its divisors is an integer number (45366698).

Almost surely, 2^136100091 is an apocalyptic number.

136100091 is a deficient number, since it is larger than the sum of its proper divisors (45366701).

136100091 is an equidigital number, since it uses as much as digits as its factorization.

136100091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45366700.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 136100091 is about 11666.1943666304. The cubic root of 136100091 is about 514.3824451097.

The spelling of 136100091 in words is "one hundred thirty-six million, one hundred thousand, ninety-one".