133215052 has 12 divisors (see below), whose sum is σ = 233472456. Its totient is φ = 66508640.

The previous prime is 133215041. The next prime is 133215053. The reversal of 133215052 is 250512331.

It is not an unprimeable number, because it can be changed into a prime (133215053) 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, 21649 + ... + 27112.

It is an arithmetic number, because the mean of its divisors is an integer number (19456038).

Almost surely, 2^133215052 is an apocalyptic number.

It is an amenable number.

133215052 is a deficient number, since it is larger than the sum of its proper divisors (100257404).

133215052 is a wasteful number, since it uses less digits than its factorization.

133215052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49448 (or 49446 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 133215052 is about 11541.8825154305. The cubic root of 133215052 is about 510.7218434004.

Adding to 133215052 its reverse (250512331), we get a palindrome (383727383).

It can be divided in two parts, 1332 and 15052, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 133215052 in words is "one hundred thirty-three million, two hundred fifteen thousand, fifty-two".