136542072 has 32 divisors (see below), whose sum is σ = 341948880. Its totient is φ = 45434880.

The previous prime is 136542067. The next prime is 136542083. The reversal of 136542072 is 270245631.

136542072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10072 + ... + 19352.

Almost surely, 2^136542072 is an apocalyptic number.

136542072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

136542072 is an abundant number, since it is smaller than the sum of its proper divisors (205406808).

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

136542072 is a wasteful number, since it uses less digits than its factorization.

136542072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903 (or 9899 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 136542072 is about 11685.1218222148. The cubic root of 136542072 is about 514.9386573494.

The spelling of 136542072 in words is "one hundred thirty-six million, five hundred forty-two thousand, seventy-two".