134721656 has 16 divisors (see below), whose sum is σ = 253546200. Its totient is φ = 67109344.

The previous prime is 134721641. The next prime is 134721673. The reversal of 134721656 is 656127431.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 29150 + ... + 33453.

Almost surely, 2^134721656 is an apocalyptic number.

It is an amenable number.

134721656 is a deficient number, since it is larger than the sum of its proper divisors (118824544).

134721656 is a wasteful number, since it uses less digits than its factorization.

134721656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62878 (or 62874 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 134721656 is about 11606.9658395293. The cubic root of 134721656 is about 512.6399773113.

The spelling of 134721656 in words is "one hundred thirty-four million, seven hundred twenty-one thousand, six hundred fifty-six".