132721334 has 8 divisors (see below), whose sum is σ = 199147248. Its totient is φ = 66338920.

The previous prime is 132721333. The next prime is 132721357. The reversal of 132721334 is 433127231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×132721334² = 35229904997479112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132721333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697 + ... + 16380.

It is an arithmetic number, because the mean of its divisors is an integer number (24893406).

Almost surely, 2^132721334 is an apocalyptic number.

132721334 is a deficient number, since it is larger than the sum of its proper divisors (66425914).

132721334 is a wasteful number, since it uses less digits than its factorization.

132721334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21750.

The product of its digits is 3024, while the sum is 26.

The square root of 132721334 is about 11520.4745561978. The cubic root of 132721334 is about 510.0901212006.

Adding to 132721334 its reverse (433127231), we get a palindrome (565848565).

The spelling of 132721334 in words is "one hundred thirty-two million, seven hundred twenty-one thousand, three hundred thirty-four".