136887194 has 8 divisors (see below), whose sum is σ = 206709300. Its totient is φ = 67984096.

The previous prime is 136887193. The next prime is 136887199. The reversal of 136887194 is 491788631.

136887194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134676025 + 2211169 = 11605^2 + 1487^2 .

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

It is not an unprimeable number, because it can be changed into a prime (136887193) 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 3 ways as a sum of consecutive naturals, for example, 229379 + ... + 229974.

Almost surely, 2^136887194 is an apocalyptic number.

136887194 is a deficient number, since it is larger than the sum of its proper divisors (69822106).

136887194 is a wasteful number, since it uses less digits than its factorization.

136887194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459504.

The product of its digits is 290304, while the sum is 47.

The square root of 136887194 is about 11699.8800848556. The cubic root of 136887194 is about 515.3721431246.

The spelling of 136887194 in words is "one hundred thirty-six million, eight hundred eighty-seven thousand, one hundred ninety-four".