133214872 has 32 divisors (see below), whose sum is σ = 287723520. Its totient is φ = 56639520.

The previous prime is 133214867. The next prime is 133214891. The reversal of 133214872 is 278412331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254 + ... + 16477.

It is an arithmetic number, because the mean of its divisors is an integer number (8991360).

Almost surely, 2^133214872 is an apocalyptic number.

It is an amenable number.

133214872 is an abundant number, since it is smaller than the sum of its proper divisors (154508648).

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

133214872 is a wasteful number, since it uses less digits than its factorization.

133214872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18871 (or 18867 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 133214872 is about 11541.8747177397. The cubic root of 133214872 is about 510.7216133714.

The spelling of 133214872 in words is "one hundred thirty-three million, two hundred fourteen thousand, eight hundred seventy-two".