134389768 has 16 divisors (see below), whose sum is σ = 256735980. Its totient is φ = 65926848.

The previous prime is 134389757. The next prime is 134389769. The reversal of 134389768 is 867983431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132756484 + 1633284 = 11522^2 + 1278^2 .

It is not an unprimeable number, because it can be changed into a prime (134389769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158055 + ... + 158902.

Almost surely, 2^134389768 is an apocalyptic number.

It is an amenable number.

134389768 is a deficient number, since it is larger than the sum of its proper divisors (122346212).

134389768 is a wasteful number, since it uses less digits than its factorization.

134389768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317016 (or 317012 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 134389768 is about 11592.6600916269. The cubic root of 134389768 is about 512.2186667703.

The spelling of 134389768 in words is "one hundred thirty-four million, three hundred eighty-nine thousand, seven hundred sixty-eight".