136887806 has 8 divisors (see below), whose sum is σ = 223998264. Its totient is φ = 62221720.

The previous prime is 136887781. The next prime is 136887823. The reversal of 136887806 is 608788631.

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, 3111065 + ... + 3111108.

It is an arithmetic number, because the mean of its divisors is an integer number (27999783).

Almost surely, 2^136887806 is an apocalyptic number.

136887806 is a deficient number, since it is larger than the sum of its proper divisors (87110458).

136887806 is a wasteful number, since it uses less digits than its factorization.

136887806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222186.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 136887806 is about 11699.9062389405. The cubic root of 136887806 is about 515.3729111713.

The spelling of 136887806 in words is "one hundred thirty-six million, eight hundred eighty-seven thousand, eight hundred six".