136816426 has 16 divisors (see below), whose sum is σ = 214203528. Its totient is φ = 65478400.

The previous prime is 136816331. The next prime is 136816441. The reversal of 136816426 is 624618631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 62425801 + 74390625 = 7901^2 + 8625^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11395 + ... + 20086.

Almost surely, 2^136816426 is an apocalyptic number.

136816426 is a deficient number, since it is larger than the sum of its proper divisors (77387102).

136816426 is a wasteful number, since it uses less digits than its factorization.

136816426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31577.

The product of its digits is 41472, while the sum is 37.

The square root of 136816426 is about 11696.8553893771. The cubic root of 136816426 is about 515.2833153785.

The spelling of 136816426 in words is "one hundred thirty-six million, eight hundred sixteen thousand, four hundred twenty-six".