136235408 has 20 divisors (see below), whose sum is σ = 264714828. Its totient is φ = 67921920.

The previous prime is 136235353. The next prime is 136235431. The reversal of 136235408 is 804532631.

It can be written as a sum of positive squares in 2 ways, for example, as 46895104 + 89340304 = 6848^2 + 9452^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6413 + ... + 17708.

Almost surely, 2^136235408 is an apocalyptic number.

It is an amenable number.

136235408 is a deficient number, since it is larger than the sum of its proper divisors (128479420).

136235408 is a wasteful number, since it uses less digits than its factorization.

136235408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24482 (or 24476 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 136235408 is about 11671.9924605870. The cubic root of 136235408 is about 514.5528629090.

The spelling of 136235408 in words is "one hundred thirty-six million, two hundred thirty-five thousand, four hundred eight".