136444886 has 8 divisors (see below), whose sum is σ = 205130664. Its totient is φ = 68068000.

The previous prime is 136444879. The next prime is 136444939. The reversal of 136444886 is 688444631.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76115 + ... + 77886.

It is an arithmetic number, because the mean of its divisors is an integer number (25641333).

Almost surely, 2^136444886 is an apocalyptic number.

136444886 is a deficient number, since it is larger than the sum of its proper divisors (68685778).

136444886 is a wasteful number, since it uses less digits than its factorization.

136444886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154446.

The product of its digits is 442368, while the sum is 44.

The square root of 136444886 is about 11680.9625459548. The cubic root of 136444886 is about 514.8164564148.

The spelling of 136444886 in words is "one hundred thirty-six million, four hundred forty-four thousand, eight hundred eighty-six".