133110121013 has 4 divisors (see below), whose sum is σ = 133111265100. Its totient is φ = 133108976928.

The previous prime is 133110120943. The next prime is 133110121069. The reversal of 133110121013 is 310121011331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96681817969 + 36428303044 = 310937^2 + 190862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133110121013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133110120982 and 133110121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133110121813) 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, 374870 + ... + 637767.

It is an arithmetic number, because the mean of its divisors is an integer number (33277816275).

Almost surely, 2^133110121013 is an apocalyptic number.

It is an amenable number.

133110121013 is a deficient number, since it is larger than the sum of its proper divisors (1144087).

133110121013 is a wasteful number, since it uses less digits than its factorization.

133110121013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144086.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 133110121013 its reverse (310121011331), we get a palindrome (443231132344).

The spelling of 133110121013 in words is "one hundred thirty-three billion, one hundred ten million, one hundred twenty-one thousand, thirteen".