133680476 has 12 divisors (see below), whose sum is σ = 235432008. Its totient is φ = 66414192.

The previous prime is 133680473. The next prime is 133680479. The reversal of 133680476 is 674086331.

It is an interprime number because it is at equal distance from previous prime (133680473) and next prime (133680479).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133680473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105806 + ... + 107061.

It is an arithmetic number, because the mean of its divisors is an integer number (19619334).

Almost surely, 2^133680476 is an apocalyptic number.

It is an amenable number.

133680476 is a deficient number, since it is larger than the sum of its proper divisors (101751532).

133680476 is a wasteful number, since it uses less digits than its factorization.

133680476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213028 (or 213026 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 133680476 is about 11562.0273308793. The cubic root of 133680476 is about 511.3159352075.

The spelling of 133680476 in words is "one hundred thirty-three million, six hundred eighty thousand, four hundred seventy-six".