134574728 has 16 divisors (see below), whose sum is σ = 254255760. Its totient is φ = 66773200.

The previous prime is 134574721. The next prime is 134574731. The reversal of 134574728 is 827475431.

It is a super-2 number, since 2×134574728² = 36220714832547968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134574721) 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, 63158 + ... + 65253.

It is an arithmetic number, because the mean of its divisors is an integer number (15890985).

Almost surely, 2^134574728 is an apocalyptic number.

It is an amenable number.

134574728 is a deficient number, since it is larger than the sum of its proper divisors (119681032).

134574728 is a wasteful number, since it uses less digits than its factorization.

134574728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128548 (or 128544 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 134574728 is about 11600.6348102162. The cubic root of 134574728 is about 512.4535470885.

The spelling of 134574728 in words is "one hundred thirty-four million, five hundred seventy-four thousand, seven hundred twenty-eight".