133515005 has 8 divisors (see below), whose sum is σ = 172542552. Its totient is φ = 98595648.

The previous prime is 133515001. The next prime is 133515007. The reversal of 133515005 is 500515331.

It can be written as a sum of positive squares in 4 ways, for example, as 5508409 + 128006596 = 2347^2 + 11314^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133515005 - 2² = 133515001 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133515001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026974 + ... + 1027103.

It is an arithmetic number, because the mean of its divisors is an integer number (21567819).

Almost surely, 2^133515005 is an apocalyptic number.

It is an amenable number.

133515005 is a deficient number, since it is larger than the sum of its proper divisors (39027547).

133515005 is a wasteful number, since it uses less digits than its factorization.

133515005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054095.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 133515005 is about 11554.8693199015. The cubic root of 133515005 is about 511.1048774795.

The spelling of 133515005 in words is "one hundred thirty-three million, five hundred fifteen thousand, five".