136385024 has 80 divisors (see below), whose sum is σ = 286153560. Its totient is φ = 64880640.

The previous prime is 136385003. The next prime is 136385083. The reversal of 136385024 is 420583631.

It can be written as a sum of positive squares in 4 ways, for example, as 65286400 + 71098624 = 8080^2 + 8432^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1532372 + ... + 1532460.

Almost surely, 2^136385024 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 136385024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143076780).

136385024 is an abundant number, since it is smaller than the sum of its proper divisors (149768536).

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

136385024 is an frugal number, since it uses more digits than its factorization.

136385024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 136385024 is about 11678.3998903959. The cubic root of 136385024 is about 514.7411575118.

The spelling of 136385024 in words is "one hundred thirty-six million, three hundred eighty-five thousand, twenty-four".