134628913 has 12 divisors (see below), whose sum is σ = 141720628. Its totient is φ = 127876320.

The previous prime is 134628881. The next prime is 134628937. The reversal of 134628913 is 319826431.

It can be written as a sum of positive squares in 2 ways, for example, as 72029169 + 62599744 = 8487^2 + 7912^2 .

It is not a de Polignac number, because 134628913 - 2⁵ = 134628881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134628983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82243 + ... + 83863.

Almost surely, 2^134628913 is an apocalyptic number.

It is an amenable number.

134628913 is a deficient number, since it is larger than the sum of its proper divisors (7091715).

134628913 is a wasteful number, since it uses less digits than its factorization.

134628913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1801 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 134628913 is about 11602.9700077179. The cubic root of 134628913 is about 512.5223157445.

The spelling of 134628913 in words is "one hundred thirty-four million, six hundred twenty-eight thousand, nine hundred thirteen".