133851713 has 4 divisors (see below), whose sum is σ = 140896560. Its totient is φ = 126806868.

The previous prime is 133851703. The next prime is 133851719. The reversal of 133851713 is 317158331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133851713 - 2⁸ = 133851457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133851713.

It is not an unprimeable number, because it can be changed into a prime (133851719) 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, 3522395 + ... + 3522432.

It is an arithmetic number, because the mean of its divisors is an integer number (35224140).

Almost surely, 2^133851713 is an apocalyptic number.

It is an amenable number.

133851713 is a deficient number, since it is larger than the sum of its proper divisors (7044847).

133851713 is an equidigital number, since it uses as much as digits as its factorization.

133851713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044846.

The product of its digits is 7560, while the sum is 32.

The square root of 133851713 is about 11569.4301069672. The cubic root of 133851713 is about 511.5341641546.

The spelling of 133851713 in words is "one hundred thirty-three million, eight hundred fifty-one thousand, seven hundred thirteen".