136408 has 24 divisors (see below), whose sum is σ = 276300. Its totient is φ = 63104.

The previous prime is 136403. The next prime is 136417. The reversal of 136408 is 804631.

136408 is a modest number, since divided by 408 gives 136 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2283 + ... + 2341.

2¹³⁶⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

136408 is an abundant number, since it is smaller than the sum of its proper divisors (139892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136408 is a wasteful number, since it uses less digits than its factorization.

136408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 136408 is about 369.3345367008. The cubic root of 136408 is about 51.4770061049.

The spelling of 136408 in words is "one hundred thirty-six thousand, four hundred eight".