133116091 has 8 divisors (see below), whose sum is σ = 135560768. Its totient is φ = 130680000.

The previous prime is 133116073. The next prime is 133116131. The reversal of 133116091 is 190611331.

It is a happy number.

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 133116091 - 2⁷ = 133115963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133116031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34846 + ... + 38476.

It is an arithmetic number, because the mean of its divisors is an integer number (16945096).

Almost surely, 2^133116091 is an apocalyptic number.

133116091 is a deficient number, since it is larger than the sum of its proper divisors (2444677).

133116091 is an equidigital number, since it uses as much as digits as its factorization.

133116091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 133116091 is about 11537.5946800015. The cubic root of 133116091 is about 510.5953460215.

The spelling of 133116091 in words is "one hundred thirty-three million, one hundred sixteen thousand, ninety-one".