134728837 has 8 divisors (see below), whose sum is σ = 139257216. Its totient is φ = 130269792.

The previous prime is 134728817. The next prime is 134728843. The reversal of 134728837 is 738827431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134728837 - 2⁷ = 134728709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134728793 and 134728802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134728807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13368 + ... + 21169.

It is an arithmetic number, because the mean of its divisors is an integer number (17407152).

Almost surely, 2^134728837 is an apocalyptic number.

It is an amenable number.

134728837 is a deficient number, since it is larger than the sum of its proper divisors (4528379).

134728837 is an equidigital number, since it uses as much as digits as its factorization.

134728837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34667.

The product of its digits is 225792, while the sum is 43.

The square root of 134728837 is about 11607.2751755095. The cubic root of 134728837 is about 512.6490854789.

The spelling of 134728837 in words is "one hundred thirty-four million, seven hundred twenty-eight thousand, eight hundred thirty-seven".