134774644 has 24 divisors (see below), whose sum is σ = 243169920. Its totient is φ = 65329344.

The previous prime is 134774621. The next prime is 134774669. The reversal of 134774644 is 446477431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 134774597 and 134774606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13317 + ... + 21139.

It is an arithmetic number, because the mean of its divisors is an integer number (10132080).

Almost surely, 2^134774644 is an apocalyptic number.

It is an amenable number.

134774644 is a deficient number, since it is larger than the sum of its proper divisors (108395276).

134774644 is a wasteful number, since it uses less digits than its factorization.

134774644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7959 (or 7957 counting only the distinct ones).

The product of its digits is 225792, while the sum is 40.

The square root of 134774644 is about 11609.2482099402. The cubic root of 134774644 is about 512.7071781049.

The spelling of 134774644 in words is "one hundred thirty-four million, seven hundred seventy-four thousand, six hundred forty-four".