136655424 has 196 divisors, whose sum is σ = 424761660. Its totient is φ = 43545600.

The previous prime is 136655423. The next prime is 136655437. The reversal of 136655424 is 424556631.

It can be written as a sum of positive squares in 2 ways, for example, as 107495424 + 29160000 = 10368^2 + 5400^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (86400) is a multiple of the sum of its prime divisors (135).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136655423) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1352974 + ... + 1353074.

Almost surely, 2^136655424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136655424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212380830).

136655424 is an abundant number, since it is smaller than the sum of its proper divisors (288106236).

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

136655424 is an equidigital number, since it uses as much as digits as its factorization.

136655424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 135 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 136655424 is about 11689.9710863629. The cubic root of 136655424 is about 515.0811120554.

The spelling of 136655424 in words is "one hundred thirty-six million, six hundred fifty-five thousand, four hundred twenty-four".