136340894 has 8 divisors (see below), whose sum is σ = 206497200. Its totient is φ = 67508496.

The previous prime is 136340891. The next prime is 136340909. The reversal of 136340894 is 498043631.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136340891) 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, 330719 + ... + 331130.

It is an arithmetic number, because the mean of its divisors is an integer number (25812150).

Almost surely, 2^136340894 is an apocalyptic number.

136340894 is a deficient number, since it is larger than the sum of its proper divisors (70156306).

136340894 is a wasteful number, since it uses less digits than its factorization.

136340894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661954.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 136340894 is about 11676.5103519844. The cubic root of 136340894 is about 514.6856333859.

The spelling of 136340894 in words is "one hundred thirty-six million, three hundred forty thousand, eight hundred ninety-four".