133214940 has 72 divisors (see below), whose sum is σ = 406879200. Its totient is φ = 35278464.

The previous prime is 133214929. The next prime is 133214953. The reversal of 133214940 is 49412331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24337 + ... + 29303.

It is an arithmetic number, because the mean of its divisors is an integer number (5651100).

Almost surely, 2^133214940 is an apocalyptic number.

133214940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133214940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203439600).

133214940 is an abundant number, since it is smaller than the sum of its proper divisors (273664260).

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

133214940 is a wasteful number, since it uses less digits than its factorization.

133214940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5126 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 133214940 is about 11541.8776635346. The cubic root of 133214940 is about 510.7217002712.

The spelling of 133214940 in words is "one hundred thirty-three million, two hundred fourteen thousand, nine hundred forty".