136493443 has 2 divisors, whose sum is σ = 136493444. Its totient is φ = 136493442.

The previous prime is 136493419. The next prime is 136493449. The reversal of 136493443 is 344394631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136493443 - 2⁵ = 136493411 is a prime.

It is not a weakly prime, because it can be changed into another prime (136493449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68246721 + 68246722.

It is an arithmetic number, because the mean of its divisors is an integer number (68246722).

Almost surely, 2^136493443 is an apocalyptic number.

136493443 is a deficient number, since it is larger than the sum of its proper divisors (1).

136493443 is an equidigital number, since it uses as much as digits as its factorization.

136493443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 37.

The square root of 136493443 is about 11683.0408284830. The cubic root of 136493443 is about 514.8775188668.

The spelling of 136493443 in words is "one hundred thirty-six million, four hundred ninety-three thousand, four hundred forty-three".