133611114 has 64 divisors (see below), whose sum is σ = 332107776. Its totient is φ = 34893504.

The previous prime is 133611089. The next prime is 133611133. The reversal of 133611114 is 411116331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 57279 + ... + 59565.

It is an arithmetic number, because the mean of its divisors is an integer number (5189184).

Almost surely, 2^133611114 is an apocalyptic number.

133611114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133611114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166053888).

133611114 is an abundant number, since it is smaller than the sum of its proper divisors (198496662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133611114 is a wasteful number, since it uses less digits than its factorization.

133611114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419.

The product of its digits is 216, while the sum is 21.

The square root of 133611114 is about 11559.0273812289. The cubic root of 133611114 is about 511.2274854136.

Adding to 133611114 its reverse (411116331), we get a palindrome (544727445).

The spelling of 133611114 in words is "one hundred thirty-three million, six hundred eleven thousand, one hundred fourteen".