133213352 has 16 divisors (see below), whose sum is σ = 249900000. Its totient is φ = 66573360.

The previous prime is 133213349. The next prime is 133213363. The reversal of 133213352 is 253312331.

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, 24149 + ... + 29147.

It is an arithmetic number, because the mean of its divisors is an integer number (15618750).

Almost surely, 2^133213352 is an apocalyptic number.

It is an amenable number.

133213352 is a deficient number, since it is larger than the sum of its proper divisors (116686648).

133213352 is a wasteful number, since it uses less digits than its factorization.

133213352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336 (or 8332 counting only the distinct ones).

The product of its digits is 1620, while the sum is 23.

The square root of 133213352 is about 11541.8088703634. The cubic root of 133213352 is about 510.7196708960.

Adding to 133213352 its reverse (253312331), we get a palindrome (386525683).

The spelling of 133213352 in words is "one hundred thirty-three million, two hundred thirteen thousand, three hundred fifty-two".