133113121 has 8 divisors (see below), whose sum is σ = 140975424. Its totient is φ = 125423760.

The previous prime is 133113119. The next prime is 133113139. The reversal of 133113121 is 121311331.

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 133113121 - 2¹ = 133113119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133113095 and 133113104.

It is not an unprimeable number, because it can be changed into a prime (133110121) 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, 41650 + ... + 44731.

It is an arithmetic number, because the mean of its divisors is an integer number (17621928).

Almost surely, 2^133113121 is an apocalyptic number.

It is an amenable number.

133113121 is a deficient number, since it is larger than the sum of its proper divisors (7862303).

133113121 is an equidigital number, since it uses as much as digits as its factorization.

133113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86471.

The product of its digits is 54, while the sum is 16.

The square root of 133113121 is about 11537.4659696140. The cubic root of 133113121 is about 510.5915486357.

Adding to 133113121 its reverse (121311331), we get a palindrome (254424452).

The spelling of 133113121 in words is "one hundred thirty-three million, one hundred thirteen thousand, one hundred twenty-one".