133316152 has 8 divisors (see below), whose sum is σ = 249967800. Its totient is φ = 66658072.

The previous prime is 133316149. The next prime is 133316153. The reversal of 133316152 is 251613331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133316153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8332252 + ... + 8332267.

It is an arithmetic number, because the mean of its divisors is an integer number (31245975).

Almost surely, 2^133316152 is an apocalyptic number.

It is an amenable number.

133316152 is a deficient number, since it is larger than the sum of its proper divisors (116651648).

133316152 is a wasteful number, since it uses less digits than its factorization.

133316152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664525 (or 16664521 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

The square root of 133316152 is about 11546.2613862670. The cubic root of 133316152 is about 510.8510102901.

Adding to 133316152 its reverse (251613331), we get a palindrome (384929483).

The spelling of 133316152 in words is "one hundred thirty-three million, three hundred sixteen thousand, one hundred fifty-two".