136684403 has 8 divisors (see below), whose sum is σ = 147456288. Its totient is φ = 126216064.

The previous prime is 136684393. The next prime is 136684409. The reversal of 136684403 is 304486631.

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

It is a cyclic number.

It is not a de Polignac number, because 136684403 - 2¹⁴ = 136668019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136684409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74951 + ... + 76752.

It is an arithmetic number, because the mean of its divisors is an integer number (18432036).

Almost surely, 2^136684403 is an apocalyptic number.

136684403 is a deficient number, since it is larger than the sum of its proper divisors (10771885).

136684403 is a wasteful number, since it uses less digits than its factorization.

136684403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151773.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 136684403 is about 11691.2105019113. The cubic root of 136684403 is about 515.1175186614.

The spelling of 136684403 in words is "one hundred thirty-six million, six hundred eighty-four thousand, four hundred three".