136670043 has 4 divisors (see below), whose sum is σ = 182226728. Its totient is φ = 91113360.

The previous prime is 136670003. The next prime is 136670047. The reversal of 136670043 is 340076631.

136670043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 136670043 - 2¹⁰ = 136669019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136670047) 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, 22778338 + ... + 22778343.

It is an arithmetic number, because the mean of its divisors is an integer number (45556682).

Almost surely, 2^136670043 is an apocalyptic number.

136670043 is a deficient number, since it is larger than the sum of its proper divisors (45556685).

136670043 is an equidigital number, since it uses as much as digits as its factorization.

136670043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45556684.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 136670043 is about 11690.5963492031. The cubic root of 136670043 is about 515.0994786938.

The spelling of 136670043 in words is "one hundred thirty-six million, six hundred seventy thousand, forty-three".