136816437 has 8 divisors (see below), whose sum is σ = 182478240. Its totient is φ = 91182800.

The previous prime is 136816331. The next prime is 136816441. The reversal of 136816437 is 734618631.

136816437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136816437 - 2²⁴ = 120039221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136816395 and 136816404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136816487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10639 + ... + 19667.

It is an arithmetic number, because the mean of its divisors is an integer number (22809780).

Almost surely, 2^136816437 is an apocalyptic number.

It is an amenable number.

136816437 is a deficient number, since it is larger than the sum of its proper divisors (45661803).

136816437 is an equidigital number, since it uses as much as digits as its factorization.

136816437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14083.

The product of its digits is 72576, while the sum is 39.

The square root of 136816437 is about 11696.8558595889. The cubic root of 136816437 is about 515.2833291881.

The spelling of 136816437 in words is "one hundred thirty-six million, eight hundred sixteen thousand, four hundred thirty-seven".