134596728 has 192 divisors, whose sum is σ = 443095200. Its totient is φ = 38211264.

The previous prime is 134596697. The next prime is 134596739. The reversal of 134596728 is 827695431.

134596728 is a `hidden beast` number, since 1 + 34 + 596 + 7 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 857226 + ... + 857382.

Almost surely, 2^134596728 is an apocalyptic number.

134596728 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 134596728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221547600).

134596728 is an abundant number, since it is smaller than the sum of its proper divisors (308498472).

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

134596728 is an equidigital number, since it uses as much as digits as its factorization.

134596728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 169 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 134596728 is about 11601.5829954364. The cubic root of 134596728 is about 512.4814705179.

The spelling of 134596728 in words is "one hundred thirty-four million, five hundred ninety-six thousand, seven hundred twenty-eight".