136566044443 has 2 divisors, whose sum is σ = 136566044444. Its totient is φ = 136566044442.

The previous prime is 136566044437. The next prime is 136566044479. The reversal of 136566044443 is 344440665631.

It is a weak prime.

It is an emirp because it is prime and its reverse (344440665631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136566044443 - 2¹³ = 136566036251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136566044393 and 136566044402.

It is not a weakly prime, because it can be changed into another prime (136566044413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68283022221 + 68283022222.

It is an arithmetic number, because the mean of its divisors is an integer number (68283022222).

Almost surely, 2^136566044443 is an apocalyptic number.

136566044443 is a deficient number, since it is larger than the sum of its proper divisors (1).

136566044443 is an equidigital number, since it uses as much as digits as its factorization.

136566044443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 136566044443 in words is "one hundred thirty-six billion, five hundred sixty-six million, forty-four thousand, four hundred forty-three".