136919886 has 8 divisors (see below), whose sum is σ = 273839784. Its totient is φ = 45639960.

The previous prime is 136919863. The next prime is 136919891. The reversal of 136919886 is 688919631.

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

136919886 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 11409985 + ... + 11409996.

It is an arithmetic number, because the mean of its divisors is an integer number (34229973).

Almost surely, 2^136919886 is an apocalyptic number.

136919886 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.

136919886 is a wasteful number, since it uses less digits than its factorization.

136919886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22819986.

The product of its digits is 559872, while the sum is 51.

The square root of 136919886 is about 11701.2771097859. The cubic root of 136919886 is about 515.4131676707.

The spelling of 136919886 in words is "one hundred thirty-six million, nine hundred nineteen thousand, eight hundred eighty-six".