136044031 has 4 divisors (see below), whose sum is σ = 136069192. Its totient is φ = 136018872.

The previous prime is 136044019. The next prime is 136044059. The reversal of 136044031 is 130440631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130440631 = 61 ⋅2138371.

It is a cyclic number.

It is not a de Polignac number, because 136044031 - 2⁹ = 136043519 is a prime.

It is a super-2 number, since 2×136044031² = 37015956741457922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136043993 and 136044011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136042031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780 + ... + 16513.

It is an arithmetic number, because the mean of its divisors is an integer number (34017298).

Almost surely, 2^136044031 is an apocalyptic number.

136044031 is a deficient number, since it is larger than the sum of its proper divisors (25161).

136044031 is an equidigital number, since it uses as much as digits as its factorization.

136044031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25160.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 136044031 is about 11663.7914504676. The cubic root of 136044031 is about 514.3118102315.

Adding to 136044031 its reverse (130440631), we get a palindrome (266484662).

The spelling of 136044031 in words is "one hundred thirty-six million, forty-four thousand, thirty-one".