136738806 has 8 divisors (see below), whose sum is σ = 273477624. Its totient is φ = 45579600.

The previous prime is 136738751. The next prime is 136738807. The reversal of 136738806 is 608837631.

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

136738806 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136738807) 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, 11394895 + ... + 11394906.

It is an arithmetic number, because the mean of its divisors is an integer number (34184703).

Almost surely, 2^136738806 is an apocalyptic number.

136738806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136738806 is a wasteful number, since it uses less digits than its factorization.

136738806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22789806.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 136738806 is about 11693.5369328531. The cubic root of 136738806 is about 515.1858517962.

The spelling of 136738806 in words is "one hundred thirty-six million, seven hundred thirty-eight thousand, eight hundred six".