134978976 has 144 divisors (see below), whose sum is σ = 423154368. Its totient is φ = 40473600.

The previous prime is 134978957. The next prime is 134978981. The reversal of 134978976 is 679879431.

It is a happy number.

134978976 is a `hidden beast` number, since 1 + 3 + 497 + 89 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 23 ways as a sum of consecutive naturals, for example, 433861 + ... + 434171.

It is an arithmetic number, because the mean of its divisors is an integer number (2938572).

Almost surely, 2^134978976 is an apocalyptic number.

134978976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134978976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211577184).

134978976 is an abundant number, since it is smaller than the sum of its proper divisors (288175392).

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

134978976 is a wasteful number, since it uses less digits than its factorization.

134978976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 464 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 134978976 is about 11618.0452744857. The cubic root of 134978976 is about 512.9661525951.

The spelling of 134978976 in words is "one hundred thirty-four million, nine hundred seventy-eight thousand, nine hundred seventy-six".