134256528 has 120 divisors (see below), whose sum is σ = 445402048. Its totient is φ = 38351232.

The previous prime is 134256511. The next prime is 134256539. The reversal of 134256528 is 825652431.

It is a super-3 number, since 3×134256528³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 134256492 and 134256501.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24750 + ... + 29682.

Almost surely, 2^134256528 is an apocalyptic number.

134256528 is a gapful number since it is divisible by the number (18) 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 134256528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222701024).

134256528 is an abundant number, since it is smaller than the sum of its proper divisors (311145520).

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

134256528 is an equidigital number, since it uses as much as digits as its factorization.

134256528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963 (or 4945 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 134256528 is about 11586.9119268250. The cubic root of 134256528 is about 512.0493319979.

The spelling of 134256528 in words is "one hundred thirty-four million, two hundred fifty-six thousand, five hundred twenty-eight".