136594240 has 112 divisors (see below), whose sum is σ = 345716352. Its totient is φ = 51296256.

The previous prime is 136594229. The next prime is 136594243. The reversal of 136594240 is 42495631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 136594196 and 136594205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136594243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 492982 + ... + 493258.

Almost surely, 2^136594240 is an apocalyptic number.

136594240 is a gapful number since it is divisible by the number (10) 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 136594240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172858176).

136594240 is an abundant number, since it is smaller than the sum of its proper divisors (209122112).

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

136594240 is a wasteful number, since it uses less digits than its factorization.

136594240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 136594240 is about 11687.3538493536. The cubic root of 136594240 is about 515.0042290789.

The spelling of 136594240 in words is "one hundred thirty-six million, five hundred ninety-four thousand, two hundred forty".