136663404 has 48 divisors (see below), whose sum is σ = 327172608. Its totient is φ = 44379328.

The previous prime is 136663393. The next prime is 136663421. The reversal of 136663404 is 404366631.

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 15 ways as a sum of consecutive naturals, for example, 164839 + ... + 165665.

It is an arithmetic number, because the mean of its divisors is an integer number (6816096).

Almost surely, 2^136663404 is an apocalyptic number.

It is an amenable number.

136663404 is an abundant number, since it is smaller than the sum of its proper divisors (190509204).

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

136663404 is a wasteful number, since it uses less digits than its factorization.

136663404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 136663404 is about 11690.3123995897. The cubic root of 136663404 is about 515.0911379222.

The spelling of 136663404 in words is "one hundred thirty-six million, six hundred sixty-three thousand, four hundred four".