136134072 has 48 divisors (see below), whose sum is σ = 371075640. Its totient is φ = 45085248.

The previous prime is 136134059. The next prime is 136134073. The reversal of 136134072 is 270431631.

136134072 is a `hidden beast` number, since 1 + 3 + 613 + 40 + 7 + 2 = 666.

136134072 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 not an unprimeable number, because it can be changed into a prime (136134073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5283 + ... + 17325.

Almost surely, 2^136134072 is an apocalyptic number.

136134072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136134072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185537820).

136134072 is an abundant number, since it is smaller than the sum of its proper divisors (234941568).

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

136134072 is a wasteful number, since it uses less digits than its factorization.

136134072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212 (or 12205 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 136134072 is about 11667.6506632655. The cubic root of 136134072 is about 514.4252512906.

The spelling of 136134072 in words is "one hundred thirty-six million, one hundred thirty-four thousand, seventy-two".