133334672 has 20 divisors (see below), whose sum is σ = 273532716. Its totient is φ = 62745600.

The previous prime is 133334671. The next prime is 133334683. The reversal of 133334672 is 276433331.

It can be written as a sum of positive squares in 2 ways, for example, as 121528576 + 11806096 = 11024^2 + 3436^2 .

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133334671) 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, 244829 + ... + 245372.

Almost surely, 2^133334672 is an apocalyptic number.

It is an amenable number.

133334672 is an abundant number, since it is smaller than the sum of its proper divisors (140198044).

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

133334672 is a wasteful number, since it uses less digits than its factorization.

133334672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490226 (or 490220 counting only the distinct ones).

The product of its digits is 27216, while the sum is 32.

The square root of 133334672 is about 11547.0633496140. The cubic root of 133334672 is about 510.8746646448.

The spelling of 133334672 in words is "one hundred thirty-three million, three hundred thirty-four thousand, six hundred seventy-two".