136733217 has 4 divisors (see below), whose sum is σ = 182310960. Its totient is φ = 91155476.

The previous prime is 136733213. The next prime is 136733239. The reversal of 136733217 is 712337631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 712337631 = 3 ⋅237445877.

It is a cyclic number.

It is not a de Polignac number, because 136733217 - 2² = 136733213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136733213) 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, 22788867 + ... + 22788872.

It is an arithmetic number, because the mean of its divisors is an integer number (45577740).

Almost surely, 2^136733217 is an apocalyptic number.

It is an amenable number.

136733217 is a deficient number, since it is larger than the sum of its proper divisors (45577743).

136733217 is an equidigital number, since it uses as much as digits as its factorization.

136733217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45577742.

The product of its digits is 15876, while the sum is 33.

The square root of 136733217 is about 11693.2979522460. The cubic root of 136733217 is about 515.1788325428.

The spelling of 136733217 in words is "one hundred thirty-six million, seven hundred thirty-three thousand, two hundred seventeen".