133515332 has 12 divisors (see below), whose sum is σ = 234264576. Its totient is φ = 66582600.

The previous prime is 133515323. The next prime is 133515341. The reversal of 133515332 is 233515331.

It is an interprime number because it is at equal distance from previous prime (133515323) and next prime (133515341).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42044 + ... + 45107.

It is an arithmetic number, because the mean of its divisors is an integer number (19522048).

Almost surely, 2^133515332 is an apocalyptic number.

It is an amenable number.

133515332 is a deficient number, since it is larger than the sum of its proper divisors (100749244).

133515332 is a wasteful number, since it uses less digits than its factorization.

133515332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87538 (or 87536 counting only the distinct ones).

The product of its digits is 4050, while the sum is 26.

The square root of 133515332 is about 11554.8834697716. The cubic root of 133515332 is about 511.1052947388.

Subtracting 133515332 from its reverse (233515331), we obtain a palindrome (99999999).

The spelling of 133515332 in words is "one hundred thirty-three million, five hundred fifteen thousand, three hundred thirty-two".