136242988 has 12 divisors (see below), whose sum is σ = 272486032. Its totient is φ = 58389840.

The previous prime is 136242973. The next prime is 136243021. The reversal of 136242988 is 889242631.

136242988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

136242988 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 2432883 + ... + 2432938.

Almost surely, 2^136242988 is an apocalyptic number.

It is an amenable number.

136242988 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.

136242988 is a wasteful number, since it uses less digits than its factorization.

136242988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865832 (or 4865830 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 136242988 is about 11672.3171649849. The cubic root of 136242988 is about 514.5624057986.

The spelling of 136242988 in words is "one hundred thirty-six million, two hundred forty-two thousand, nine hundred eighty-eight".