133872976 has 20 divisors (see below), whose sum is σ = 261101344. Its totient is φ = 66492000.

The previous prime is 133872971. The next prime is 133873001. The reversal of 133872976 is 679278331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133872971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25290 + ... + 30121.

Almost surely, 2^133872976 is an apocalyptic number.

133872976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133872976 is a deficient number, since it is larger than the sum of its proper divisors (127228368).

133872976 is a wasteful number, since it uses less digits than its factorization.

133872976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55570 (or 55564 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 133872976 is about 11570.3490007864. The cubic root of 133872976 is about 511.5612492893.

The spelling of 133872976 in words is "one hundred thirty-three million, eight hundred seventy-two thousand, nine hundred seventy-six".