136001 has 4 divisors (see below), whose sum is σ = 136752. Its totient is φ = 135252.

The previous prime is 135979. The next prime is 136013. The reversal of 136001 is 100631.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 100631 = 103 ⋅977.

It is a cyclic number.

It is not a de Polignac number, because 136001 - 2⁶ = 135937 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 (136501) 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, 86 + ... + 528.

It is an arithmetic number, because the mean of its divisors is an integer number (34188).

2¹³⁶⁰⁰¹ is an apocalyptic number.

It is an amenable number.

136001 is a deficient number, since it is larger than the sum of its proper divisors (751).

136001 is an equidigital number, since it uses as much as digits as its factorization.

136001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 136001 is about 368.7831341046. The cubic root of 136001 is about 51.4257578561.

Adding to 136001 its reverse (100631), we get a palindrome (236632).

The spelling of 136001 in words is "one hundred thirty-six thousand, one".