136004031 has 6 divisors (see below), whose sum is σ = 196450280. Its totient is φ = 90669348.

The previous prime is 136004023. The next prime is 136004047. The reversal of 136004031 is 130400631.

136004031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136004031 - 2³ = 136004023 is a prime.

It is a super-2 number, since 2×136004031² = 36994192896497922, 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 = 136003995 and 136004013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136004051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7555771 + ... + 7555788.

Almost surely, 2^136004031 is an apocalyptic number.

136004031 is a deficient number, since it is larger than the sum of its proper divisors (60446249).

136004031 is a wasteful number, since it uses less digits than its factorization.

136004031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15111565 (or 15111562 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 136004031 is about 11662.0766161092. The cubic root of 136004031 is about 514.2613988835.

Adding to 136004031 its reverse (130400631), we get a palindrome (266404662).

The spelling of 136004031 in words is "one hundred thirty-six million, four thousand, thirty-one".