133678976 has 16 divisors (see below), whose sum is σ = 266313840. Its totient is φ = 66839424.

The previous prime is 133678969. The next prime is 133678997. The reversal of 133678976 is 679876331.

133678976 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522056 + ... + 522311.

It is an arithmetic number, because the mean of its divisors is an integer number (16644615).

Almost surely, 2^133678976 is an apocalyptic number.

133678976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133678976 is a deficient number, since it is larger than the sum of its proper divisors (132634864).

133678976 is an equidigital number, since it uses as much as digits as its factorization.

133678976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044381 (or 1044369 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 133678976 is about 11561.9624631807. The cubic root of 133678976 is about 511.3140227448.

The spelling of 133678976 in words is "one hundred thirty-three million, six hundred seventy-eight thousand, nine hundred seventy-six".