136404912 has 40 divisors (see below), whose sum is σ = 402720256. Its totient is φ = 38972736.

The previous prime is 136404907. The next prime is 136404913. The reversal of 136404912 is 219404631.

It is a self number, because there is not a number n which added to its sum of digits gives 136404912.

It is not an unprimeable number, because it can be changed into a prime (136404913) 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, 202648 + ... + 203319.

Almost surely, 2^136404912 is an apocalyptic number.

136404912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136404912 is an abundant number, since it is smaller than the sum of its proper divisors (266315344).

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

136404912 is a wasteful number, since it uses less digits than its factorization.

136404912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405985 (or 405979 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 136404912 is about 11679.2513458697. The cubic root of 136404912 is about 514.7661765701.

The spelling of 136404912 in words is "one hundred thirty-six million, four hundred four thousand, nine hundred twelve".