133512466 has 8 divisors (see below), whose sum is σ = 200348604. Its totient is φ = 66729600.

The previous prime is 133512461. The next prime is 133512473. The reversal of 133512466 is 664215331.

It can be written as a sum of positive squares in 2 ways, for example, as 127035441 + 6477025 = 11271^2 + 2545^2 .

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

It is not an unprimeable number, because it can be changed into a prime (133512461) 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, 6315 + ... + 17518.

Almost surely, 2^133512466 is an apocalyptic number.

133512466 is a deficient number, since it is larger than the sum of its proper divisors (66836138).

133512466 is a wasteful number, since it uses less digits than its factorization.

133512466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26636.

The product of its digits is 12960, while the sum is 31.

The square root of 133512466 is about 11554.7594522777. The cubic root of 133512466 is about 511.1016376351.

Adding to 133512466 its reverse (664215331), we get a palindrome (797727797).

The spelling of 133512466 in words is "one hundred thirty-three million, five hundred twelve thousand, four hundred sixty-six".