136134656 has 60 divisors (see below), whose sum is σ = 311417568. Its totient is φ = 58294272.

The previous prime is 136134643. The next prime is 136134679. The reversal of 136134656 is 656431631.

It is a congruent number.

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, 114095 + ... + 115281.

Almost surely, 2^136134656 is an apocalyptic number.

136134656 is a gapful number since it is divisible by the number (16) 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 136134656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155708784).

136134656 is an abundant number, since it is smaller than the sum of its proper divisors (175282912).

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

136134656 is an frugal number, since it uses more digits than its factorization.

136134656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222 (or 1196 counting only the distinct ones).

The product of its digits is 38880, while the sum is 35.

The square root of 136134656 is about 11667.6756896993. The cubic root of 136134656 is about 514.4259868985.

The spelling of 136134656 in words is "one hundred thirty-six million, one hundred thirty-four thousand, six hundred fifty-six".