133532512 has 24 divisors (see below), whose sum is σ = 263149992. Its totient is φ = 66700800.

The previous prime is 133532491. The next prime is 133532527. The reversal of 133532512 is 215235331.

It is a super-2 number, since 2×133532512² = 35661863522060288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60712 + ... + 62872.

It is an arithmetic number, because the mean of its divisors is an integer number (10964583).

Almost surely, 2^133532512 is an apocalyptic number.

It is an amenable number.

133532512 is a deficient number, since it is larger than the sum of its proper divisors (129617480).

133532512 is a wasteful number, since it uses less digits than its factorization.

133532512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102 (or 4094 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 133532512 is about 11555.6268544809. The cubic root of 133532512 is about 511.1272158477.

Adding to 133532512 its reverse (215235331), we get a palindrome (348767843).

The spelling of 133532512 in words is "one hundred thirty-three million, five hundred thirty-two thousand, five hundred twelve".