136204454 has 8 divisors (see below), whose sum is σ = 204960360. Its totient is φ = 67884336.

The previous prime is 136204451. The next prime is 136204469. The reversal of 136204454 is 454402631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136204451) by changing a digit.

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, 108164 + ... + 109415.

It is an arithmetic number, because the mean of its divisors is an integer number (25620045).

Almost surely, 2^136204454 is an apocalyptic number.

136204454 is a deficient number, since it is larger than the sum of its proper divisors (68755906).

136204454 is a wasteful number, since it uses less digits than its factorization.

136204454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217894.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 136204454 is about 11670.6663905708. Note that the first 3 decimals coincide. The cubic root of 136204454 is about 514.5138894977.

The spelling of 136204454 in words is "one hundred thirty-six million, two hundred four thousand, four hundred fifty-four".