136748128 has 24 divisors (see below), whose sum is σ = 293698440. Its totient is φ = 62158080.

The previous prime is 136748123. The next prime is 136748159. The reversal of 136748128 is 821847631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136748123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193893 + ... + 194596.

It is an arithmetic number, because the mean of its divisors is an integer number (12237435).

Almost surely, 2^136748128 is an apocalyptic number.

It is an amenable number.

136748128 is an abundant number, since it is smaller than the sum of its proper divisors (156950312).

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

136748128 is a wasteful number, since it uses less digits than its factorization.

136748128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388510 (or 388502 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 136748128 is about 11693.9355223124. The cubic root of 136748128 is about 515.1975589175.

The spelling of 136748128 in words is "one hundred thirty-six million, seven hundred forty-eight thousand, one hundred twenty-eight".