133112141 has 2 divisors, whose sum is σ = 133112142. Its totient is φ = 133112140.

The previous prime is 133112123. The next prime is 133112143. The reversal of 133112141 is 141211331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69973225 + 63138916 = 8365^2 + 7946^2 .

It is an emirp because it is prime and its reverse (141211331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 133112141 - 2²² = 128917837 is a prime.

Together with 133112143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133112143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66556070 + 66556071.

It is an arithmetic number, because the mean of its divisors is an integer number (66556071).

Almost surely, 2^133112141 is an apocalyptic number.

It is an amenable number.

133112141 is a deficient number, since it is larger than the sum of its proper divisors (1).

133112141 is an equidigital number, since it uses as much as digits as its factorization.

133112141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 133112141 is about 11537.4234992047. The cubic root of 133112141 is about 510.5902956138.

Adding to 133112141 its reverse (141211331), we get a palindrome (274323472).

The spelling of 133112141 in words is "one hundred thirty-three million, one hundred twelve thousand, one hundred forty-one".