133147976 has 32 divisors (see below), whose sum is σ = 277536000. Its totient is φ = 59469120.

The previous prime is 133147919. The next prime is 133147981. The reversal of 133147976 is 679741331.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17426 + ... + 23873.

It is an arithmetic number, because the mean of its divisors is an integer number (8673000).

Almost surely, 2^133147976 is an apocalyptic number.

It is an amenable number.

133147976 is an abundant number, since it is smaller than the sum of its proper divisors (144388024).

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

133147976 is a wasteful number, since it uses less digits than its factorization.

133147976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41349 (or 41345 counting only the distinct ones).

The product of its digits is 95256, while the sum is 41.

The square root of 133147976 is about 11538.9763844112. The cubic root of 133147976 is about 510.6361100213.

The spelling of 133147976 in words is "one hundred thirty-three million, one hundred forty-seven thousand, nine hundred seventy-six".