136175728 has 40 divisors (see below), whose sum is σ = 288169056. Its totient is φ = 61958400.

The previous prime is 136175713. The next prime is 136175731. The reversal of 136175728 is 827571631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10158 + ... + 19378.

Almost surely, 2^136175728 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 136175728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144084528).

136175728 is an abundant number, since it is smaller than the sum of its proper divisors (151993328).

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

136175728 is a wasteful number, since it uses less digits than its factorization.

136175728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9313 (or 9307 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 136175728 is about 11669.4356333115. The cubic root of 136175728 is about 514.4777160229.

The spelling of 136175728 in words is "one hundred thirty-six million, one hundred seventy-five thousand, seven hundred twenty-eight".