133741613 has 8 divisors (see below), whose sum is σ = 136222560. Its totient is φ = 131267920.

The previous prime is 133741609. The next prime is 133741633. The reversal of 133741613 is 316147331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133741613 - 2² = 133741609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133741603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47423 + ... + 50163.

It is an arithmetic number, because the mean of its divisors is an integer number (17027820).

Almost surely, 2^133741613 is an apocalyptic number.

It is an amenable number.

133741613 is a deficient number, since it is larger than the sum of its proper divisors (2480947).

133741613 is an equidigital number, since it uses as much as digits as its factorization.

133741613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627.

The product of its digits is 4536, while the sum is 29.

The square root of 133741613 is about 11564.6708989059. The cubic root of 133741613 is about 511.3938711909.

Adding to 133741613 its reverse (316147331), we get a palindrome (449888944).

The spelling of 133741613 in words is "one hundred thirty-three million, seven hundred forty-one thousand, six hundred thirteen".