133213014 has 72 divisors (see below), whose sum is σ = 327652416. Its totient is φ = 39045600.

The previous prime is 133212949. The next prime is 133213043. The reversal of 133213014 is 410312331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66532 + ... + 68504.

It is an arithmetic number, because the mean of its divisors is an integer number (4550728).

Almost surely, 2^133213014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133213014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163826208).

133213014 is an abundant number, since it is smaller than the sum of its proper divisors (194439402).

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

133213014 is a wasteful number, since it uses less digits than its factorization.

133213014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133213014 is about 11541.7942279353. The cubic root of 133213014 is about 510.7192389489.

Adding to 133213014 its reverse (410312331), we get a palindrome (543525345).

The spelling of 133213014 in words is "one hundred thirty-three million, two hundred thirteen thousand, fourteen".