136804471 has 4 divisors (see below), whose sum is σ = 136898944. Its totient is φ = 136710000.

The previous prime is 136804453. The next prime is 136804487. The reversal of 136804471 is 174408631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136804471 - 2¹¹ = 136802423 is a prime.

It is a super-3 number, since 3×136804471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (836804471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45030 + ... + 47971.

It is an arithmetic number, because the mean of its divisors is an integer number (34224736).

Almost surely, 2^136804471 is an apocalyptic number.

136804471 is a deficient number, since it is larger than the sum of its proper divisors (94473).

136804471 is an equidigital number, since it uses as much as digits as its factorization.

136804471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94472.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 136804471 is about 11696.3443434263. The cubic root of 136804471 is about 515.2683064802.

The spelling of 136804471 in words is "one hundred thirty-six million, eight hundred four thousand, four hundred seventy-one".