133071672 has 16 divisors (see below), whose sum is σ = 332679240. Its totient is φ = 44357216.

The previous prime is 133071667. The next prime is 133071689. The reversal of 133071672 is 276170331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2772303 + ... + 2772350.

Almost surely, 2^133071672 is an apocalyptic number.

133071672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133071672 is an abundant number, since it is smaller than the sum of its proper divisors (199607568).

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

133071672 is a wasteful number, since it uses less digits than its factorization.

133071672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5544662 (or 5544658 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 133071672 is about 11535.6695514391. The cubic root of 133071672 is about 510.5385468330.

The spelling of 133071672 in words is "one hundred thirty-three million, seventy-one thousand, six hundred seventy-two".