133060509 has 16 divisors (see below), whose sum is σ = 197547840. Its totient is φ = 88517520.

The previous prime is 133060507. The next prime is 133060511. The reversal of 133060509 is 905060331.

It is an interprime number because it is at equal distance from previous prime (133060507) and next prime (133060511).

It is not a de Polignac number, because 133060509 - 2¹ = 133060507 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133060507) 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 15 ways as a sum of consecutive naturals, for example, 8239 + ... + 18275.

It is an arithmetic number, because the mean of its divisors is an integer number (12346740).

Almost surely, 2^133060509 is an apocalyptic number.

It is an amenable number.

133060509 is a deficient number, since it is larger than the sum of its proper divisors (64487331).

133060509 is a wasteful number, since it uses less digits than its factorization.

133060509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537 (or 10531 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 133060509 is about 11535.1856942140. The cubic root of 133060509 is about 510.5242705635.

The spelling of 133060509 in words is "one hundred thirty-three million, sixty thousand, five hundred nine".