133059491 has 8 divisors (see below), whose sum is σ = 136167744. Its totient is φ = 129962880.

The previous prime is 133059481. The next prime is 133059517. The reversal of 133059491 is 194950331.

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

It is a cyclic number.

It is not a de Polignac number, because 133059491 - 2⁶ = 133059427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133059431) 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 7 ways as a sum of consecutive naturals, for example, 22811 + ... + 28043.

It is an arithmetic number, because the mean of its divisors is an integer number (17020968).

Almost surely, 2^133059491 is an apocalyptic number.

133059491 is a deficient number, since it is larger than the sum of its proper divisors (3108253).

133059491 is an equidigital number, since it uses as much as digits as its factorization.

133059491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5821.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 133059491 is about 11535.1415682687. The cubic root of 133059491 is about 510.5229686119.

The spelling of 133059491 in words is "one hundred thirty-three million, fifty-nine thousand, four hundred ninety-one".