133065513 has 12 divisors (see below), whose sum is σ = 219663808. Its totient is φ = 76037400.

The previous prime is 133065487. The next prime is 133065553. The reversal of 133065513 is 315560331.

133065513 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 655 + 1 + 3 = 666.

It is not a de Polignac number, because 133065513 - 2⁵ = 133065481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133065553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056013 + ... + 1056138.

Almost surely, 2^133065513 is an apocalyptic number.

It is an amenable number.

133065513 is a deficient number, since it is larger than the sum of its proper divisors (86598295).

133065513 is a wasteful number, since it uses less digits than its factorization.

133065513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112164 (or 2112161 counting only the distinct ones).

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

The square root of 133065513 is about 11535.4025937546. The cubic root of 133065513 is about 510.5306702369.

The spelling of 133065513 in words is "one hundred thirty-three million, sixty-five thousand, five hundred thirteen".