134606728 has 8 divisors (see below), whose sum is σ = 252387630. Its totient is φ = 67303360.

The previous prime is 134606723. The next prime is 134606729. The reversal of 134606728 is 827606431.

It can be written as a sum of positive squares in only one way, i.e., 134606404 + 324 = 11602^2 + 18^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (134606723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8412913 + ... + 8412928.

Almost surely, 2^134606728 is an apocalyptic number.

It is an amenable number.

134606728 is a deficient number, since it is larger than the sum of its proper divisors (117780902).

134606728 is a wasteful number, since it uses less digits than its factorization.

134606728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16825847 (or 16825843 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 134606728 is about 11602.0139631014. The cubic root of 134606728 is about 512.4941619799.

The spelling of 134606728 in words is "one hundred thirty-four million, six hundred six thousand, seven hundred twenty-eight".