136871888 has 20 divisors (see below), whose sum is σ = 269149440. Its totient is φ = 67413984.

The previous prime is 136871887. The next prime is 136871893. The reversal of 136871888 is 888178631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136871887) 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, 62768 + ... + 64911.

It is an arithmetic number, because the mean of its divisors is an integer number (13457472).

Almost surely, 2^136871888 is an apocalyptic number.

It is an amenable number.

136871888 is a deficient number, since it is larger than the sum of its proper divisors (132277552).

136871888 is a wasteful number, since it uses less digits than its factorization.

136871888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127754 (or 127748 counting only the distinct ones).

The product of its digits is 516096, while the sum is 50.

The square root of 136871888 is about 11699.2259573016. The cubic root of 136871888 is about 515.3529336820.

The spelling of 136871888 in words is "one hundred thirty-six million, eight hundred seventy-one thousand, eight hundred eighty-eight".