134809628 has 24 divisors (see below), whose sum is σ = 240115344. Its totient is φ = 66211200.

The previous prime is 134809627. The next prime is 134809637. The reversal of 134809628 is 826908431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134809627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176768 + ... + 177528.

It is an arithmetic number, because the mean of its divisors is an integer number (10004806).

Almost surely, 2^134809628 is an apocalyptic number.

It is an amenable number.

134809628 is a deficient number, since it is larger than the sum of its proper divisors (105305716).

134809628 is a wasteful number, since it uses less digits than its factorization.

134809628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 134809628 is about 11610.7548419558. The cubic root of 134809628 is about 512.7515360931.

The spelling of 134809628 in words is "one hundred thirty-four million, eight hundred nine thousand, six hundred twenty-eight".