133321476 has 12 divisors (see below), whose sum is σ = 311083472. Its totient is φ = 44440488.

The previous prime is 133321453. The next prime is 133321477. The reversal of 133321476 is 674123331.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (133321477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5555050 + ... + 5555073.

Almost surely, 2^133321476 is an apocalyptic number.

It is an amenable number.

133321476 is an abundant number, since it is smaller than the sum of its proper divisors (177761996).

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

133321476 is a wasteful number, since it uses less digits than its factorization.

133321476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110130 (or 11110128 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 133321476 is about 11546.4919347826. The cubic root of 133321476 is about 510.8578105028.

The spelling of 133321476 in words is "one hundred thirty-three million, three hundred twenty-one thousand, four hundred seventy-six".