136422443 has 2 divisors, whose sum is σ = 136422444. Its totient is φ = 136422442.

The previous prime is 136422439. The next prime is 136422469. The reversal of 136422443 is 344224631.

It is a weak prime.

It is an emirp because it is prime and its reverse (344224631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136422443 - 2² = 136422439 is a prime.

It is a super-2 number, since 2×136422443² = 37222165908176498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136422043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68211221 + 68211222.

It is an arithmetic number, because the mean of its divisors is an integer number (68211222).

Almost surely, 2^136422443 is an apocalyptic number.

136422443 is a deficient number, since it is larger than the sum of its proper divisors (1).

136422443 is an equidigital number, since it uses as much as digits as its factorization.

136422443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

The square root of 136422443 is about 11680.0018407533. The cubic root of 136422443 is about 514.7882285112.

The spelling of 136422443 in words is "one hundred thirty-six million, four hundred twenty-two thousand, four hundred forty-three".