133607741 has 4 divisors (see below), whose sum is σ = 133748892. Its totient is φ = 133466592.

The previous prime is 133607717. The next prime is 133607783. The reversal of 133607741 is 147706331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85026841 + 48580900 = 9221^2 + 6970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133607741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133607698 and 133607707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133607701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69146 + ... + 71051.

It is an arithmetic number, because the mean of its divisors is an integer number (33437223).

Almost surely, 2^133607741 is an apocalyptic number.

It is an amenable number.

133607741 is a deficient number, since it is larger than the sum of its proper divisors (141151).

133607741 is an equidigital number, since it uses as much as digits as its factorization.

133607741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141150.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 133607741 is about 11558.8814770288. The cubic root of 133607741 is about 511.2231834142.

The spelling of 133607741 in words is "one hundred thirty-three million, six hundred seven thousand, seven hundred forty-one".