136455744 has 56 divisors (see below), whose sum is σ = 363707680. Its totient is φ = 45149184.

The previous prime is 136455713. The next prime is 136455763. The reversal of 136455744 is 447554631.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24132 + ... + 29244.

It is an arithmetic number, because the mean of its divisors is an integer number (6494780).

Almost surely, 2^136455744 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 136455744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181853840).

136455744 is an abundant number, since it is smaller than the sum of its proper divisors (227251936).

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

136455744 is a wasteful number, since it uses less digits than its factorization.

136455744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267 (or 5257 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 136455744 is about 11681.4273100508. The cubic root of 136455744 is about 514.8301120599.

The spelling of 136455744 in words is "one hundred thirty-six million, four hundred fifty-five thousand, seven hundred forty-four".