136885443 has 32 divisors (see below), whose sum is σ = 201884160. Its totient is φ = 82114560.

The previous prime is 136885409. The next prime is 136885453. The reversal of 136885443 is 344588631.

It is not a de Polignac number, because 136885443 - 2⁹ = 136884931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136885395 and 136885404.

It is not an unprimeable number, because it can be changed into a prime (136885453) 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 in 31 ways as a sum of consecutive naturals, for example, 252753 + ... + 253293.

It is an arithmetic number, because the mean of its divisors is an integer number (6308880).

Almost surely, 2^136885443 is an apocalyptic number.

136885443 is a deficient number, since it is larger than the sum of its proper divisors (64998717).

136885443 is a wasteful number, since it uses less digits than its factorization.

136885443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its digits is 276480, while the sum is 42.

The square root of 136885443 is about 11699.8052547895. The cubic root of 136885443 is about 515.3699456449.

The spelling of 136885443 in words is "one hundred thirty-six million, eight hundred eighty-five thousand, four hundred forty-three".