133110133 has 4 divisors (see below), whose sum is σ = 143349388. Its totient is φ = 122870880.

The previous prime is 133110121. The next prime is 133110137. The reversal of 133110133 is 331011331.

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 8162449 + 124947684 = 2857^2 + 11178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133110133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133110137) 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, 5119608 + ... + 5119633.

It is an arithmetic number, because the mean of its divisors is an integer number (35837347).

Almost surely, 2^133110133 is an apocalyptic number.

133110133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133110133 is a deficient number, since it is larger than the sum of its proper divisors (10239255).

133110133 is a wasteful number, since it uses less digits than its factorization.

133110133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239254.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 133110133 is about 11537.3364777144. The cubic root of 133110133 is about 510.5877281784.

Adding to 133110133 its reverse (331011331), we get a palindrome (464121464).

The spelling of 133110133 in words is "one hundred thirty-three million, one hundred ten thousand, one hundred thirty-three".