133506315 has 12 divisors (see below), whose sum is σ = 231411024. Its totient is φ = 71203344.

The previous prime is 133506301. The next prime is 133506371. The reversal of 133506315 is 513605331.

It is not a de Polignac number, because 133506315 - 2⁴ = 133506299 is a prime.

It is a super-2 number, since 2×133506315² = 35647872289758450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1483359 + ... + 1483448.

It is an arithmetic number, because the mean of its divisors is an integer number (19284252).

Almost surely, 2^133506315 is an apocalyptic number.

133506315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133506315 is a deficient number, since it is larger than the sum of its proper divisors (97904709).

133506315 is a wasteful number, since it uses less digits than its factorization.

133506315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966818 (or 2966815 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 133506315 is about 11554.4932818363. The cubic root of 133506315 is about 511.0937885941.

The spelling of 133506315 in words is "one hundred thirty-three million, five hundred six thousand, three hundred fifteen".