134390856 has 32 divisors (see below), whose sum is σ = 336823200. Its totient is φ = 44684160.

The previous prime is 134390833. The next prime is 134390887. The reversal of 134390856 is 658093431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2971 + ... + 16661.

It is an arithmetic number, because the mean of its divisors is an integer number (10525725).

Almost surely, 2^134390856 is an apocalyptic number.

It is an amenable number.

134390856 is an abundant number, since it is smaller than the sum of its proper divisors (202432344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134390856 is a wasteful number, since it uses less digits than its factorization.

134390856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14109 (or 14105 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 134390856 is about 11592.7070177763. The cubic root of 134390856 is about 512.2200490491.

The spelling of 134390856 in words is "one hundred thirty-four million, three hundred ninety thousand, eight hundred fifty-six".