136199 has 4 divisors (see below), whose sum is σ = 155664. Its totient is φ = 116736.

The previous prime is 136193. The next prime is 136207. The reversal of 136199 is 991631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991631 = 97 ⋅10223.

It is a cyclic number.

It is not a de Polignac number, because 136199 - 2¹² = 132103 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136199.

It is not an unprimeable number, because it can be changed into a prime (136193) 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, 9722 + ... + 9735.

It is an arithmetic number, because the mean of its divisors is an integer number (38916).

2¹³⁶¹⁹⁹ is an apocalyptic number.

136199 is a deficient number, since it is larger than the sum of its proper divisors (19465).

136199 is an equidigital number, since it uses as much as digits as its factorization.

136199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19464.

The product of its digits is 1458, while the sum is 29.

The square root of 136199 is about 369.0514869229. The cubic root of 136199 is about 51.4507021890.

The spelling of 136199 in words is "one hundred thirty-six thousand, one hundred ninety-nine".