133611117 has 12 divisors (see below), whose sum is σ = 186232704. Its totient is φ = 85200280.

The previous prime is 133611089. The next prime is 133611133. The reversal of 133611117 is 711116331.

It is not a de Polignac number, because 133611117 - 2¹² = 133607021 is a prime.

It is a super-4 number, since 4×133611117⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133611157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40509 + ... + 43682.

It is an arithmetic number, because the mean of its divisors is an integer number (15519392).

Almost surely, 2^133611117 is an apocalyptic number.

It is an amenable number.

133611117 is a deficient number, since it is larger than the sum of its proper divisors (52621587).

133611117 is an equidigital number, since it uses as much as digits as its factorization.

133611117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84240 (or 84217 counting only the distinct ones).

The product of its digits is 378, while the sum is 24.

The square root of 133611117 is about 11559.0275109976. The cubic root of 133611117 is about 511.2274892399.

Adding to 133611117 its reverse (711116331), we get a palindrome (844727448).

The spelling of 133611117 in words is "one hundred thirty-three million, six hundred eleven thousand, one hundred seventeen".