133713605 has 8 divisors (see below), whose sum is σ = 167432832. Its totient is φ = 102319888.

The previous prime is 133713563. The next prime is 133713611. The reversal of 133713605 is 506317331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 133713605 - 2¹⁰ = 133712581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581249 + ... + 581478.

It is an arithmetic number, because the mean of its divisors is an integer number (20929104).

Almost surely, 2^133713605 is an apocalyptic number.

It is an amenable number.

133713605 is a deficient number, since it is larger than the sum of its proper divisors (33719227).

133713605 is a wasteful number, since it uses less digits than its factorization.

133713605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162755.

The product of its (nonzero) digits is 5670, while the sum is 29.

The square root of 133713605 is about 11563.4599061008. The cubic root of 133713605 is about 511.3581702120.

The spelling of 133713605 in words is "one hundred thirty-three million, seven hundred thirteen thousand, six hundred five".