133116774 has 64 divisors (see below), whose sum is σ = 323481600. Its totient is φ = 35671968.

The previous prime is 133116773. The next prime is 133116799. The reversal of 133116774 is 477611331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133116773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84607 + ... + 86165.

It is an arithmetic number, because the mean of its divisors is an integer number (5054400).

Almost surely, 2^133116774 is an apocalyptic number.

133116774 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 133116774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161740800).

133116774 is an abundant number, since it is smaller than the sum of its proper divisors (190364826).

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

133116774 is a wasteful number, since it uses less digits than its factorization.

133116774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697.

The product of its digits is 10584, while the sum is 33.

The square root of 133116774 is about 11537.6242788539. The cubic root of 133116774 is about 510.5962192844.

The spelling of 133116774 in words is "one hundred thirty-three million, one hundred sixteen thousand, seven hundred seventy-four".