133713265 has 8 divisors (see below), whose sum is σ = 183378240. Its totient is φ = 91689072.

The previous prime is 133713247. The next prime is 133713269. The reversal of 133713265 is 562317331.

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 133713265 - 2¹¹ = 133711217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133713269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910155 + ... + 1910224.

It is an arithmetic number, because the mean of its divisors is an integer number (22922280).

Almost surely, 2^133713265 is an apocalyptic number.

It is an amenable number.

133713265 is a deficient number, since it is larger than the sum of its proper divisors (49664975).

133713265 is an equidigital number, since it uses as much as digits as its factorization.

133713265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820391.

The product of its digits is 11340, while the sum is 31.

The square root of 133713265 is about 11563.4452046092. The cubic root of 133713265 is about 511.3577367933.

The spelling of 133713265 in words is "one hundred thirty-three million, seven hundred thirteen thousand, two hundred sixty-five".