136404204 has 24 divisors (see below), whose sum is σ = 319173120. Its totient is φ = 45339984.

The previous prime is 136404181. The next prime is 136404217. The reversal of 136404204 is 402404631.

It is a super-2 number, since 2×136404204² = 37212213737747232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11524 + ... + 20139.

It is an arithmetic number, because the mean of its divisors is an integer number (13298880).

Almost surely, 2^136404204 is an apocalyptic number.

It is an amenable number.

136404204 is an abundant number, since it is smaller than the sum of its proper divisors (182768916).

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

136404204 is a wasteful number, since it uses less digits than its factorization.

136404204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32029 (or 32027 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 136404204 is about 11679.2210356684. The cubic root of 136404204 is about 514.7652859494.

Adding to 136404204 its reverse (402404631), we get a palindrome (538808835).

The spelling of 136404204 in words is "one hundred thirty-six million, four hundred four thousand, two hundred four".