136601343 has 16 divisors (see below), whose sum is σ = 205804800. Its totient is φ = 89523000.

The previous prime is 136601329. The next prime is 136601359. The reversal of 136601343 is 343106631.

136601343 is a `hidden beast` number, since 13 + 6 + 601 + 3 + 43 = 666.

It is not a de Polignac number, because 136601343 - 2¹² = 136597247 is a prime.

It is a super-3 number, since 3×136601343³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136601303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41283 + ... + 44468.

It is an arithmetic number, because the mean of its divisors is an integer number (12862800).

Almost surely, 2^136601343 is an apocalyptic number.

136601343 is a deficient number, since it is larger than the sum of its proper divisors (69203457).

136601343 is an equidigital number, since it uses as much as digits as its factorization.

136601343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85819 (or 85813 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 136601343 is about 11687.6577208609. The cubic root of 136601343 is about 515.0131557892.

Adding to 136601343 its reverse (343106631), we get a palindrome (479707974).

The spelling of 136601343 in words is "one hundred thirty-six million, six hundred one thousand, three hundred forty-three".