134562728 has 8 divisors (see below), whose sum is σ = 252305130. Its totient is φ = 67281360.

The previous prime is 134562709. The next prime is 134562763. The reversal of 134562728 is 827265431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 127283524 + 7279204 = 11282^2 + 2698^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 134562691 and 134562700.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8410163 + ... + 8410178.

Almost surely, 2^134562728 is an apocalyptic number.

It is an amenable number.

134562728 is a deficient number, since it is larger than the sum of its proper divisors (117742402).

134562728 is a wasteful number, since it uses less digits than its factorization.

134562728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16820347 (or 16820343 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 134562728 is about 11600.1175856109. The cubic root of 134562728 is about 512.4383148443.

The spelling of 134562728 in words is "one hundred thirty-four million, five hundred sixty-two thousand, seven hundred twenty-eight".