136422343 has 4 divisors (see below), whose sum is σ = 136519240. Its totient is φ = 136325448.

The previous prime is 136422313. The next prime is 136422353. The reversal of 136422343 is 343224631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 343224631 = 2297 ⋅149423.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136422343 is a prime.

It is a super-2 number, since 2×136422343² = 37222111339219298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136422313) 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, 46305 + ... + 49162.

It is an arithmetic number, because the mean of its divisors is an integer number (34129810).

Almost surely, 2^136422343 is an apocalyptic number.

136422343 is a deficient number, since it is larger than the sum of its proper divisors (96897).

136422343 is an equidigital number, since it uses as much as digits as its factorization.

136422343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96896.

The product of its digits is 10368, while the sum is 28.

The square root of 136422343 is about 11679.9975599313. The cubic root of 136422343 is about 514.7881027283.

Adding to 136422343 its reverse (343224631), we get a palindrome (479646974).

The spelling of 136422343 in words is "one hundred thirty-six million, four hundred twenty-two thousand, three hundred forty-three".