134139256 has 8 divisors (see below), whose sum is σ = 251511120. Its totient is φ = 67069624.

The previous prime is 134139223. The next prime is 134139283. The reversal of 134139256 is 652931431.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8383696 + ... + 8383711.

It is an arithmetic number, because the mean of its divisors is an integer number (31438890).

Almost surely, 2^134139256 is an apocalyptic number.

It is an amenable number.

134139256 is a deficient number, since it is larger than the sum of its proper divisors (117371864).

134139256 is a wasteful number, since it uses less digits than its factorization.

134139256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16767413 (or 16767409 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 134139256 is about 11581.8502839572. The cubic root of 134139256 is about 511.9001982394.

The spelling of 134139256 in words is "one hundred thirty-four million, one hundred thirty-nine thousand, two hundred fifty-six".