133590539 has 12 divisors (see below), whose sum is σ = 149386200. Its totient is φ = 119109888.

The previous prime is 133590533. The next prime is 133590553. The reversal of 133590539 is 935095331.

It is not a de Polignac number, because 133590539 - 2²⁰ = 132541963 is a prime.

It is a super-2 number, since 2×133590539² = 35692864220621042, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133590533) 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, 6674 + ... + 17655.

It is an arithmetic number, because the mean of its divisors is an integer number (12448850).

Almost surely, 2^133590539 is an apocalyptic number.

133590539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

133590539 is a deficient number, since it is larger than the sum of its proper divisors (15795661).

133590539 is a wasteful number, since it uses less digits than its factorization.

133590539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24382 (or 24365 counting only the distinct ones).

The product of its (nonzero) digits is 54675, while the sum is 38.

The square root of 133590539 is about 11558.1373499366. The cubic root of 133590539 is about 511.2012424733.

The spelling of 133590539 in words is "one hundred thirty-three million, five hundred ninety thousand, five hundred thirty-nine".