134402856 has 128 divisors (see below), whose sum is σ = 401448960. Its totient is φ = 36691200.

The previous prime is 134402843. The next prime is 134402951. The reversal of 134402856 is 658204431.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682150 + ... + 682346.

It is an arithmetic number, because the mean of its divisors is an integer number (3136320).

Almost surely, 2^134402856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134402856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200724480).

134402856 is an abundant number, since it is smaller than the sum of its proper divisors (267046104).

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

134402856 is a wasteful number, since it uses less digits than its factorization.

134402856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 134402856 is about 11593.2245729995. The cubic root of 134402856 is about 512.2352942769.

The spelling of 134402856 in words is "one hundred thirty-four million, four hundred two thousand, eight hundred fifty-six".