136081343 has 4 divisors (see below), whose sum is σ = 136125528. Its totient is φ = 136037160.

The previous prime is 136081327. The next prime is 136081357. The reversal of 136081343 is 343180631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343180631 = 23 ⋅14920897.

It is a cyclic number.

It is not a de Polignac number, because 136081343 - 2⁴ = 136081327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136081303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17096 + ... + 23757.

It is an arithmetic number, because the mean of its divisors is an integer number (34031382).

Almost surely, 2^136081343 is an apocalyptic number.

136081343 is a deficient number, since it is larger than the sum of its proper divisors (44185).

136081343 is an equidigital number, since it uses as much as digits as its factorization.

136081343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44184.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 136081343 is about 11665.3908207141. The cubic root of 136081343 is about 514.3588250301.

The spelling of 136081343 in words is "one hundred thirty-six million, eighty-one thousand, three hundred forty-three".